When I was 15, filled with hormones, I was lucky enough to go on a 3-week, 19-country whirlwind tour of Europe with 24 high school girls and 11 other high school boys. Our eyes burned from the excess pheromones as natural adolescent attraction filled the bus, plane, train -- whatever the mode of transportation.

The oldest girl on the trip was having a little "thing" with the French tour guide. We didn't know if it was sex, but we knew they were always together and she got very special attention. We imagined all kinds of things. But all we talked about was sex.

I was very na