Ah, duh...wow. For a prelaw major, sort of a fail there on my part. lol Forgive me there...may or may not have pulled an all-nighter, and my brain is just sorta floating along at the moment.

I do understand that sexual activity makes the need present regardless of age (hence the note in my post ). I was just referring to the (what I assume is...my knowledge of female physiology aside from the barest details is poor, to be generous to myself) arbitrary age of 21 for the recommendation to start the visit. Unless I'm again missing something there...which is more than possible at the moment.

And Adam, that is correct. It's supposed to relax to allow entrance. The muscles being improperly relaxed would make insertion uncomfortable or painful.