Losing your virginity too early is no good, as is losing it too late.
"Men who lose their virginity in their 20s, in particular, seemed to be more likely to experience sexual problems that include difficulty becoming sexually aroused and reaching orgasm."
http://abcnews.go.com/Health/Sex/story? ... 047&page=1
I lost mine when I was 17 on the rugby pitch. Seventeen is good. How about you? What do you think?