Most activities draw in talented participants, and scare off the people without aptitude. We have to force our friends to sing Karaoke just so we can laugh at them. On the other hand, young people with poor sexual performances are eager to try again. Even more disturbing, the same disconnect between talent and participation applies to parenting! Even for the talented, practice is still essential. How fortunate that birth control allows us the opportunity to master the first challenge before we have to deal with the second one.