"Well, wait. So the action figures are real, except that they aren't." Alright. Let's keep it small. Let's not think about the entire world being real, or not real. Something tiny, and specific, and.. no, damnit, even as the words left his mouth, he could feel a vein throbbing in his left temple. "Please tell me McDonald's is real in all universes, please. I want to know something exists everywhere."

Oh, crap, what if scotch didn't exist in this universe? His knees nearly went weak at the thought.

"I think I'm going to just nod and smile now." And stop trying to think.