[Because he's 14 and Yang left a huge impression on him that's why. And the whole "still learning not to be socially awkward" thing. He already sort of regrets sending all of that, but the response is a relief.]
Good, good, and Baymax is a nursebot. It'll be fine. Besides I know how to spar a little already. I don't want you to go easy on me.
text;
Good, good, and Baymax is a nursebot. It'll be fine. Besides I know how to spar a little already. I don't want you to go easy on me.