Grab, you say, "The majority of girls lose their virginity before they're 18. The majority of boys don't. This says more about girls becoming sexually active earlier and soliciting the boys, rather than the other way around!"

It implies far more, imo, that it is often the older boys who pressure the younger girls into sex. Two reasons: 1) Older boys are most often more self-confident and have a clearer aim than the peers of the younger girls. 2) Younger girls are often deeply flattered that older boys chose them to pay attention to.