The pause and unblinking eye contact before he answers is frank. It says: do you really expect an answer? And yet the answer, when it comes, is honest.

"A businessman." He puts the milkshake down. "So, mostly human." Enjoy that little joke, there. "When people need things, I obtain them for a price. The situation with your kind is getting less tense, but you should keep me in mind. For emergencies. I'm a helper, I am."

With that kind of sales pitch, it's probably no surprise Balthazar doesn't seem to expect Mitchell to take him seriously; he doesn't appear to be taking himself very seriously, but he smiles again, slowly takes a business card from his inner jacket pocket, and offers it to Mitchell.