"Thanks for getting me somewhere worth stopping at." There's a lot more, about how his big feelings and inability to not care about everyone he stumbles across helped David want to care too, but. That was a good bit.

"He was kinda quiet. But it was for a reason. Didn't want him to feel like he was alone, and it's good to know he didn't feel that way any more, even wanted to remember what it felt like to care and...I guess, it didn't help that Malcolm was being Malcolm at me earlier too, but I knew I wanted a hug even though it felt weird to ask for, so here I am." And he got one.