[ He nods in agreement, and turns away when Reki does. It isn't his place to ask, or to press her for information. Instead, he simply hooks his thumbs in his pockets says, ] You must miss them.
[ And he can, surprisingly, identify with that. His most important person is here, thankfully, but there are others from home who he finds himself thinking about. If Reki's desire to see her friends happy is so strong that it shows them to her like this, she has to be thinking about them a great deal. ]