Being without Alfred is going to be rough on all of us.

[And he's pretty sure he's able to keep the twinge of sadness out of his voice and face. Even if he can rightly say that it's just because Alfred isn't here. Without saying that he's not back home, either.]

And you're not wrong about the introversion. I mean, we've always known he was an introvert who could make himself be an extrovert. But I'm not sure he's learned that trick yet.