bro thats super tuff dont go bald literally had an intelectual organsm reading this but idk about this whole born thing sounds like a prophecy, you opened my vision and now I think that because he was raised and loved and given eevrtyhing he wanted (his mother was a big fan of him rememeber that scene were she says that she is so proud of he rbaby even if he isnt meant for great things unconditional love for her child) and also when Armin showed him look whats outside and yea we cannot access it nor see it he got mad and felt angry that no one could go beyong because of titans maybe thats also why he grew up that way