Of course he's freezing, but far be it for him to admit to anyone, least of all Steven. Especially when they're in some... highly questionable scenario that he's sure is going to turn south sooner or later.

"I don't know, buddy. But I don't like it." He pauses, jaw twitching. "Just stick with me, alright? Last time weird shit happened, that's when I was trapped in the mall and--"

Yeah, he's still not wanting to talk about that. "Some real creepy stuff happened."