There's a slightly bigger smile at arm hugging. He'd say something to thank her, but... Rudeness. He's decided very firmly that he will not make this into a big deal.

During this part of the movie he improves and can actually enjoy it a little! He's still kind of rooting for Spock. Lots of things he can relate to, with that guy. He dislikes Kirk, but whatever, he'll put up with him.