[He gives a sharp, startled laugh at that-- he should have expected that, maybe... but there's also the slightest edge he tries to hide, as even so much as thinking of what he put Art through is enough to make him feel terrible.]
Now, he's a lot o' things, but dumb ain't one of them. ... Usually. [His joking tone dims into a genuine smile.] Thanks. [It's good to know there was someone looking after him.]