Even if an 18 year old has sex, or an abortion or uses drugs, much later they may regret it. It seems to me, true adulthood is delayed more and more, especially in the western countries. Nowadays, only 60+ year olds can fully appreciate the choices they make. It takes alot longer than it used to to accumulate the proper amount of wisdom. Maybe when life expectancy was shorter it was more important to learn from your mistakes the first time. The hedonsitic lifestyle does not bring longterm satisfaction, but thanks to viagra it is continuing far too long.
If you are attracted to kids before they have reached sexual maturation, it is a serious problem. When it is a 12 year old with tits it becomes more clouded, yet your brain should know better even if your balls don't.