if i was with a supermodel quality chick, and she cheated on me, i'd stay but i wouldn't love her and i'd make her feel guilty about it all the time.
no point in ditching a piece of hot ass until you have something else lined up. chances are i didn't 'love' her anyways, so shes just a FWB with a special title. and i'd ofcourse cheat on her with low priced hookers.