tl;dr:

• Women are ALWAYS looking, testing, securing potential mate switches. It is what pushed humanity forward, even if it brings societies down. Always be improving your SMV. Never get comfortable.
• Women will have affairs simply to "test the water". It isn't cheating to their hamster.
• Modern society has taken away (and even incentivized) cheating, cuckoldry, AF/BB, and the cock carousel. In todays modern social media world, do NOT expect loyalty. Mate switching is now as close and easy as one right swipe on her iPhone.
• Women have all sorts of built-in biological traits to trick themselves into believing another man is of higher value, thus giving them reason to cheat and lie. We know it as the Hamster.
• Never settle, men. Your life comes first, women secondary.

Main Body

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https://labs.la.utexas.edu/buss/files/2013/02/The-Mate-Switching-Hypothesis-FINAL-PUBLISHED-2017.pdf

I do not know where to even start. There is so much Redpill "theory" in here to fill manuscripts and the sidebar. This short paper would be enough to shatter BluePill mindsets, but there is nothing extraordinary or shocking here to RedPill aware men. Kudos to the authors of this study who, IMHO, did a fantastic job of remaining neutral while not injecting elements of modern mainstream politics to stay "PC".

A breakdown is necessary...but I suggest you save 40 minutes of your own time and read this yourself. Digest this, because this is science exposing the reality of biology, and that your feelings don't matter, at all. Women are beautiful creatures, but they don't "love", they are engineered to maximize resources and evolutionary success.

"The costs of mate switching start with potential damage to reputational components of her mate value. Among the Kipsigis of Kenya, for example, divorced women command a lower ‘bride-price’ (Borgerhoff Mulder, 1995). In cultures that tie ‘family honor’ to the sexuality and mating of their female members, mate switching can levy costs on an entire kin network. If an infidelity preceded the breakup, she may be branded as a cheater—potentially decreasing her attractiveness as a mate (Marlowe, 2004)."

-In other words, women are hypergamous by nature, and societies, even primitive ones, have known this since the dawn of time. In Current western society, the feminine-primary establishment has been achieved (fully advertised hypergamy) in the form of cuckoldry and AF/BB along with fault-free divorce and alimony (aka divorce rape).

"Offspring risk losing economic and other forms of investments of their genetic father and his kin. Without the father around for protection, children become more vulnerable to exploitation (Hurtado & Hill, 1992). When the mother re-mates, they become stepchildren, which exposes them to elevated risks including physical abuse, sexual abuse, and homicide (Daly & Wilson, 1988). In short, the costs of mate switching can be steep and wide-ranging. These costs often deter mate switching."

-Yes, the costs used to be steep. However, with the rise of feminism and big daddy government, this is now actually CELEBRATED among modern women, hence the rapid rise in divorce and single motherhood. Women celebrate that they no longer "need" men, perhaps true, but they sacrifice so much more in life stability and contentment, not to mention the rapid destruction of a once stable and thriving society.

"Assessment of mate value cannot be a static snapshot at a single point in time. Any dimension of mate value—such as emotional stability, dependability, extant encumbering commitments, status and resource trajectories—may be in flux at any time and require temporal tracking. The need for tracking does not end after a mate is selected. A mate showing stellar career promise may fail to live up to expectations."

-This is how biology works. It gives ZERO f*cks about our feelings. It is cold, but it is efficient from an evolutionary perspective. From a societal perspective it seems cruel, but it is the reality that we live in. Men here who have been divorce raped know this. Men who have been cruelly cheated on know this. It really is not "for better or for worse, till death do us part". You are being shit-tested and evaluated from day one to infinity. True love does not exist. What can YOU provide. As many at TRP have said, anything you did for her in the PAST means nothing now or in the future. Bought her a house, car, and paid her tuition? Doesn't matter.

"Evidence suggests that women indeed continue to track their partner's mate value across the relationship and use this information to invest or disinvest from relationships. For example, cross-cultural evidence indicates that inadequate economic support from the husband is a consistently cited reason for divorce (Betzig, 1989). Furthermore, the magnitude of women's mate retention effort positively correlates with her partner's income and status striving (Buss & Shackelford, 1997)."

-Can you climb dominance hierarchies? The final sentence can explain why top of the food chain alpha males can still get dumped fast if they fuck up. The horror stories of men getting divorced because they were injured or had a tramautic injury that reduced his alpha status in her eyes? Science backs that up. Life can be a bit*ch, but if he can't protect and provide, he is of zero value to her (from an evolutionary standpoint). It takes a truly amazing woman to stay under that pressure.

"They also point to changes within women in their preferences as a result of changes in their mate value, of which ovulation cyclical variation is one source. We hypothesize that continuous self-monitoring provides informational input into prospects for one's own mate switching. Several empirical predictions follow: Women whose mate value increases substantially will become (1) more emotionally dissatisfied with their current partner, (2) more likely to evade a partner's mate guarding efforts, (3) more likely to cultivate backup mates, (4) more likely to initiate new relationships with higher mate value men, and (5) less inclined to stay with their current partners."

- There is so much Redpill Theory in this one paragraph I could never truly elucidate the treasure trove of info here in a sufficient manner. But Redpill theories and field reports bear this out on a daily basis. Women can suddenly "change", become emotionally detached, suddenly ask for divorce out of the blue, or suddenly cheat without notice. Rational men think, "what changed!?" or "what did I do wrong!?". Well, nothing perhaps, it just may be she spent time, maybe even shortly, with a hotter, taller, richer man. Maybe her new co-worker fit that bill. Maybe the neighbor guy was more "attentive" to her while you busted out 60 hour work weeks to support her. Maybe she got curious and swiped right and saw a 25 year old Chad.

"Does the elevated attention signal interest in a committed relationship or uncommitted sexual desire? Accurately assessing relationship interest is crucial to ensuring a woman does not leave an investing mate for one who is unwilling to commit. The second is value and value trajectory. How does the desirability of the alternative compare to the current mate? Is the alternative sufficiently incrementally better than the current partner in mate value to offset the costs of a switch?"

- Sadly, with our modern divorce laws, open hypergamy, cuckoldry, social media, and tinder, almost all this is null and void since a woman has big-daddy government, white knights, and simps ready to prop her up since there is literally NO COST to mate-switching. One cock to the next, aka the CC, is now a common phenomena.

"Relationship satisfaction is hypothesized to be an internal regulatory variable that functions to calibrate relationship behaviors in response to the fitness costs and benefits of the relationship (Conroy-Beam, Goetz, & Buss, 2015). Individuals show decreased relationship satisfaction when they perceive they are higher in mate value than their romantic partner, but only if there exist highly desirable alternatives in the mating pool (Conroy-Beam et al., in press). Furthermore, the same studies found that lower relationship satisfaction predicts less effort allocated to mate retention."

-In Redpill terms, women date up, men tend to date down. And this is obvious, but women don't want to be around men who bring low value. No Sh*t. Simps think marriage = life long sex and monogamy and trust from their women...oh how wrong they are. Get a dad-bod and supplicate/submit to your women, she isn't even gonna try to keep you except for betabux...which leads to the next...

"Another output of mate switching psychology is emotional disengagement, a process of psychologically divesting from the current partner. One hypothesized emotion that facilitates disengagement is relationship dissatisfaction (Conroy-Beam et al., in press). Empirically, relationship dissatisfaction has been shown to be partly a function of alternatives in the mating pool who are higher in mate value than the current partner (Conroy-Beam et al., in press)."

- Every Redpill man has been through this. Once marriage counseling is the treatment, it is already over. And get that into your head, "relationship satisfaction is partly a function of alternatives in the mating pool". Think about that, how many options are there today? Unlimited! One argument, and that may be all she needs to emotionally divest and start looking elsewhere. She is emotionally done and probably already cheating...which leads nicely to the next...

"According to the mate switching hypothesis, affairs serve several key functions. First, affairs serve as a form of mate insurance, keeping a backup mate in tow should a switch become warranted at some point in the future (Greiling & Buss, 2000). Second, they allow opportunities for close-up assessment of an alternative mate, information that would be difficult or impossible to gauge from a distance. Affairs allow more accurate assays of the three key qualities of the potential mate—mate value, interest, and availability. They also afford more accurate tests of compatibility, be it sexual or emotional, or synchronization of long-term goals. In this sense, affairs can function as trial runs, simulations of a long-term relationship, without making a full commitment."

-Cheating is just another word, apparently, for "mate insurance". Either way, cheating for her is just a way to bolster her own survival, from an evolutionary means. She is already testing the waters to find the next and better branch to swing to. Once again, it is already over as she has divested from the relationship. But the beta simps will cry and supplicate to appease her. Or...in modern times, are even willing to be cucked in an open relationship...just to make her majesty happy. "Happy wife, happy life", right?

"Children pose an additional suite of problems post-breakup because extracting resources for them from an ex can be difficult. Many exes resist continued heavy investment, preferring instead to retain resources for securing new mates. The prevalence of laws in the modern environment that seek to enforce men's continued provisioning are stark testaments to men's evolved proclivities to curtail investment in exes and children with those exes (Shackelford & Weekes-Shackelford, 2004). Ancestral women would not have had recourse to legal remedies, which are evolutionarily novel, although kin from both families may exert pressure on the ejected man to continue parental provisioning."

-No commentary here needed. Basically, divorce, alimony, and child support laws go against our evolutionary past. Once again, our modern "fempowerment" society has actually incentivized women to cheat, cuckold, and ride the CC since there is a pot of gold (alimony and a life of ease) at the end of the rainbow.

"Information gleaned from affairs provide input into decisions about whether to stay with the current mate, switch to the affair partner, or seek an alternative affair partner. In addition to providing information about alternative mates, affairs provide feedback to a woman about her own current mate value. By assessing who returns her flirtations, who responds to her sexual overtures, and who is willing to invest in her, she has a better sense of the quality of mate she is able to attract."

- Remember "Girls night out"?? Yeah, she is really just testing the waters of her SMV, and at worst, cheating and hooking up with Chad and Tyrone. Don't blame her, but men should not be resting on their laurels. Did your LTR/wife suddenly lose 20 pounds and is now suddenly more social? Yeah, there is probably a reason...

"Thus, the mate switching hypothesis provides an alternative explanation for why women have affairs—namely to provide mate insurance, to cultivate backup mates, to assess the viability of a switch, to render the transition back into the mating market easier, or to trade up to a new partner who is less cost-inflicting, more benefit-bestowing, or higher in mate value than their current partner."

-What do we have here? The concept of beta orbiters, AF/BB, and hypergamy all in one tidy paragraph. This is BUILT into female biology. Now that we live in a gynocentric society, this is now openly paraded and celebrated by women and feminists as "empowerment."

Stay on top of your game, men, focus on yourself, and always pursue excellence in life. There is no rest for the weary.