"From the sounds of it... it wasn't yours, either."

Even if, however briefly, he thought it was. He's glad he never tried to talk to them about that.

"Maybe not by means you know of, but… people from other worlds are here now. We've all had such vastly different experiences and learned all sorts of wildly different things. Hell, I'm not even human anymore."

He means this in the "not as you know it" sense, but he supposes he's not human in the Terran sense, either? He won't admit to that out loud, though.