"What's jetlagged?" It's not a word he has ever heard before.

"Yeah? That a lot older than I'd have expected." He doesn't know enough of pre-history to put much context to that. "I found a couple of those wandering. A shell and some...well, I don't know. Looked like some ridged stick. Gave 'em to Lennie, but he lost them." It was no huge loss. He has never been much a collector of anything.