>>107980007because the girl still hasn't evolved mentally 100%. say what you want but children and teens don't have enough life experience to actually be able to make precise life decisions, especially when it comes to relationships. you can joke all you want and pretend that even children are able to think like an adult, which happens in few cases, but most children and teens just aren't that smart. that's why it's okay for teens to have relationships with one another and that's why it's forbidden for adults to try and exploit the lack of intelligence and life experience of younger people
