I lost my virginity literally last year, I was 26 - and my boyfriend lost his at 13 to an older cousin.
I kinda find his sex life extremely scandalous and am jealous about his having had so many sex partners because I've always felt super conscious about being a late bloomer and then I had to fall for this guy. Your average Joe with a 15 or so body count, I could deal, but a Lothario with a 25-30 count, can't help but feel 
