Caleb isn't sure 'talent' is the word he'd use for his empathy. He used to refer to it as a Problem. It'd started to feel like one again, when he'd first arrived, but... maybe it doesn't have to be. Then Michael mentions acetone, and he blinks and looks at him.

"Is that what that is?" he asks, frowning. He totally ignores the follow-up question, trying to find that weird, not-quite-drunk feeling that Michael carries with him. It's hard. His body doesn't know how to accept a sensation it's never experienced.