This thread is in response to My [25m] wife [24f] and I had a spontaneous threesome with my best friend [25m] which went bad pretty fast...help...

For the uninitiated, the summary of the story is as follows:

OP and wife (Bella). Married six years. New baby. Bella has post-pregnancy body image issues. OP's best friend (John), at OP's request, makes compliments towards Bella's figure at a friendly gettogether. This raises Bella's spirits. Previous attempts by the OP to reassure Bella on her body image had failed. One month later, John and his LDR break up. Bella suggests to cheer him up via threesome. OP tries to reject it, but she pleads that it will help her body issues and John's breakup. Last Wednesday is a BBQ. Bella seduces OP into reluctantly agreeing to the threesome. While OP tends to a crying baby, Bella straddles John. John asks OP if this is alright - Bella answers "yes". The threesome takes place. Baby wakes up once again and OP tends to crying baby. Almost immediately after OP leaves the bedroom, the threesome turns into a twosome, at times without protection - OP falls asleep in the baby's room. When OP wakes up, he returns to Bella and John asleep together in bed. Both left him sleep as they finished together. After having some drinks, OP calls Bella out on how she acted. She claims she thought OP would come back after the baby was settled.

Folks, what we have here is a situation where a man of potentially high SMV incites tingles in a housewife in a manner that OP had tried and failed, sees an opportunity to act on them when John is newly single, then branches out to him while OP tends to his fatherly duties.

This is pretty much the ur-example of why it's important to take control of who #3 is in a threesome or to avoid MMF threesomes altogether. No self respecting man should go through any kind of sexual act that involves another man having sex with their SO. Consider this story, what do you think was going through her mind before and during this threesome? Do you think there were any thoughts of "how does my husband feel about this" or "how do I ensure the man I married is an active participant in this act"? I doubt it. I would venture the guess that the only thing Bella thought about was being able to fuck John. I would go even further to suggest that Bella would try to fuck John, even without the proposal of the threesome, behind OP's back.

What are your thoughts on this, TRP?

EDIT: Formatting didn't quite work as well as I hoped.