"Immature".

My wife whose entire professional life has been focused on kids-her first words during the initial Hard Knocks was "he really is immature". Interesting that some people have a sense of that sort of thing. I didn't see it at first. I thought he was just trying to be funny. She said it just wasn't his words but also the way he carried himself and the way he often avoided eye to eye contact, and a bunch of other stuff like wanting to be popular with the "guys" etc. But she also said he's now around the "big boys" and he WILL mature and only then can we see what he really is capable of. Lets hope.