Giving Tadashi something to focus on might let him pull himself out of his little fugue...and since he's naturally so thoughtful of others, it might be the absolute best sort of coping that could be given, come to think of it.

Callaghan nods, looking between the boys.

"I'll help as well, though I don't know how much I can do. But we'll make it work, somehow- did you have any thoughts on whom to host?"