He sighs, closing his eyes. If only that would work.

"I can't grow a human," he finally says, trying not to tense up while thinking about what he's saying. He's talked about it with Liv and Ravi but they're both already knew.

"You're going to think I'm nuts but... I need human brains, and the last thing I want to do is get people killed in some world because I asked the closet for brains. Okay?"