He doesn't get the joke, but he tries to play along with a-

"Pick your favourite and go from there."

He seems quietly pleased that it's giving it another shot, and he leans forward a bit so he can watch it work more closely.

"Other big thing, teach yourself to draw with your arm now. Start at your elbow, not at the wrist like you're writing. In somethin' like twenty years your wrists will thank me."