Sex/relationship question

Every time I start dating a woman I get real into her and the potential for the relationship and the whole nine yards of what you are supposed to feel.

Once we have sex a few times I than start to lose interest. I don't know why and I cant explain it. I sort of feel like maybe she gave it up too easily or maybe she's had sex without a lot of guys so in theory I've sort had sex with them also. Which is really disgusting. Sorry to all you ladies out there but no matter how much you want it to be accepted, it just wont be. Men who get a lot of women will be viewed as cool and women who have sex with a lot of men will be viewed as a negative. Old lock and key.

On the flip side sometimes I've been reluctant to have sex with them and I try to delay it as long as possible knowing that if I do have sex with them I just crossed the finish line and the race is done. But in doing this women eventually lose interest and just move on so I end up shooting myself in the foot.

Guess I'm doomed huh?

Thanks for your input,

OJ Simpson (no relation)