"Oh!" he remembers, "that reminds me, well, sort of, I've got a double there too. I mean like actually me, another Richard Brook. So. In case you run into him and he doesn't know you, that's him. Uh, not me blowing you off. Sorry I forgot to mention last time."

He thinks it's only polite. He'd hate for Martin to get his feelings hurt by his double because Rich didn't think to mention the man's existence.