"Wait, what?" He asked, his laughter having come to a screeching halt. The thought of that thing hanging in the coffee shop -- well, he'd never hear the end of it from Steve to be sure. Anyone who he didn't know would undoubtedly think of that when they saw him out. If any of them asked if he had the power to turn into a centaur he'd probably die. Like that would be it. He'd expire on the spot.
But it was funny and he didn't take himself that seriously that he couldn't see the humor in something like that.
"Great. So the people that know me will never let me live it down. And the people who don't know me and see me out wandering around after they've seen that photo will think I have the power to turn into that."