[He was still curious about a lot of things related to Ai's world. So this would've been a better time than any to hear her out.]

Well, you can color me interested! I don't think I can cure your homesickness... But I can definitely hear you out.

[Sometimes, that was the best thing to do. Before that, he'll be picking up the kettle and pouring some green tea into a cup. Then he hands that over to Ai.]

And it'll feel better over a cup a tea.