Ive got a problem and I have no idea why!!! Ive been with my girlfriend for about 2 years now, and I find her totally irresistable. Before her I have had sex with a bunch of girls, about 8(multiple times). I never had a problem with pre-me cumming in the past, I was actually known for bein a stud. I could go for about 2 hours before anything. I decided to take it slow with my girlfriend however because I plan on bein in it for the long run. About 6 months ago we started (trying to) have sex. Problem is that about 2 seconds after I put it in im already needing to cum. Im not sure if its because when I masturbate, 99.9% of the time im thinkin of her or if I just lost "it" or if its just because its been so long that I anticipate it too much. Im really confused, please help...

Thanks

--mike