You shouldn't be doing things to other people that you wouldn't like them to do to you. I can't see why someone needs to cheat on their relationship. If you don't like your relationship or if you're not enjoying sex or anything, you can always talk a way out of this or break up and live your life the way you want it.
That's why you dumb asses should follow my idea and refuse to let them have the title of GF. I fuck the same woman 1-2 times a day now and am living with her for the next 6 weeks until I move into a new place, she tells me how much she loves me, is fucking a cute red head college chick with me this Friday night and I still won't let her be my GF...... Why? Because women are about 2x more UN trustworthy as us men are.
Don't feel too bad about being scumbags guys.... Your GF's prob just finishing gulping down some strangers load right before you got home yesterday.
Geez, guy's you know you are better than that. Men are the Rocks of Relationship's, we are the one's that hold everything together, and when the shit goes South we are the only ones still standing. I'm a moral and respected man, and I respect my Fiance, I couldn't live with myself if I was disrespectful to her. Acting that way is selfish, and if that's the attitude you have, then don't lead a girl on with lie's, fix yourself, and be a good guy and live for your girl. Respect yourself, and respect her. If you can't do either, then don't be in a relationship with anyone.