[This new selection of dog food seems to be a little higher on his approval list. It's set on the floor, where the dog in question immediately picks it up.]

I get that a lot. He's .. [A brief pause.] My brother, from some other timeline. He's blond, I'm not. It won't be difficult to tell us apart if things go well. If that's all, you can stop wasting both of our time and go ... annoy somebody else. You're bothering my dog.

[The dog is very obviously unbothered. Mentioned, it just wags its tail happily.]