That's a tough one. My DS4 hasn't started that...but what annoys me is that other people tell him he is "so smart" all the time. Not that it is a secret..but there are other things they could say and it is just too much. When someone says "you're so smart" his typical response is to say in a matter-of-fact way, "yes, I am smart." So we have been working on saying thank you instead. He isn't being arrogant, just agreeing with them. I am betting at this age it is just something most of them say because it's a true fact and they have heard it a million times.
