"HAH! Your circuits are gonna blow long before mine. Last I checked, computers didn't do to well in the heat..."

Now that's definitely just a joke. The heat must be getting to him already. Though, he frowns when Spock continues on. Worry darkens the hint of amusement there was,, and he moves a little faster. He needs to find Jim, dammit.

"All the more reason to get to them sooner."