Exactly , on one hand you have an age when most humans are capable of conceiving and have fully developed secondary sexual traits (nature's way to say a person is sexual mature) , say around 14/15 and on the other hand you have the age of a fully "developed" brain, around 25, when at least in theory a person is mature enough for all intents and purposes.
18 tries to establish a sensible balance from both extremes, but there is nothing magical or moral about it when compared with 17 or 19 or whatever in than range.
18 tries to establish a sensible balance from both extremes, but there is nothing magical or moral about it when compared with 17 or 19 or whatever in than range.