yes it IS a bit like that, but I have said this before, EVERYBODY changes throughout their lives and we HAVE to otherwise our lives would stay stagnant and nothing would grow and neither would our characters, sometimes we have to put a part of us away while another part grows, its perfectly normal and very healthy.
But I can understand the concerns that he could grow in a way that you don't like, but tbh there isn't anything you can do about that, it will be the closest people to him who have a real influence on him, we are just his fans not his family or close friends.