Sexual relations, of course, have existed, exist, and will exist. However, this is in no way connected with the indispensability of the existence of the family. ↗
There are only two guidelines in good sex, don't do anything you don't really enjoy and find out what are your partner needs and don't balk them if you can help it. ↗
I learned to draw everything except glamorous women. No matter how much I tried to make them look sexy, they always ended up looking silly... or like somebody's mother. ↗