"I'm not a vegetarian," David assures him, trying to keep his stride brisk enough to be less of an annoyance to Tommy. And he leaves a bit of space between them too, because he is more than aware of how the way he'd gotten to thinking about Tommy was unwelcome. Better not to crowd the guy and make it awkward.

"Fries and shakes sound good too. Lead on, I'll do my best not to slow you down more than any other human would."

Because frankly, everyone and everything slows Tommy down, and David doesn't want to be the source of that sort of annoyance.