Just about everyone here needs to read this at some point, and sooner rather than later IMO. This is especially true for all of you in LTRs out there.

http://therationalmale.com/2011/10/17/indignation/

Quite frankly I've learned these lessons the hard way over the years and I've had some great relationships go bad because I failed to maintain frame, all because I was afraid of the the sex getting turned off because she'd be mad if I said no. Like the man says though:

No amount of negotiated pussy will ever be worth losing frame for.

It’s always better to fuck a woman who accepts you as her authority than some half-assed lay with a woman who’s only fucking you out of a sense of obligation. Learning to use indignation is a fantastic primer for frame control.

Ultimately it boils down to respect. If your woman doesn't respect you, then it's only a matter of time until she branch swings, or worse finds an "alpha fucks" behind your back.