Well, it had been worth a shot. He knew it was a strange concept to wrap your head around, and he decided that it was a bit much to try and explain the concept of the speed of light. At least now. Besides, did it really matter if Sam believed him or not? It wouldn't make much of a difference, in the long run.

"At least it's distracting us from the heat, right?" he changed subject amiably. He cocked his head at Sam curiously. "Why'd you decide to come out on this, then, Sam?"