> What criteria makes a person sane enough to make that personal choice? Is it an arbitrary age? Say 18? We collectively decided that 18 is an age when someone

> What criteria makes a person sane enough to make that personal choice? Is it an arbitrary age? Say 18? We collectively decided that 18 is an age when someone is fully responsible for their everyone (which is biologically incorrect). For lack of a better reference, yes 18.