He only glanced down at the hand after he'd taken it to shake, and that was purely from being startled at sensation that he didn't expect.

He still closed his fingers around it and gave a perfectly reasonably handshake after that point.

"The last time I saw you, you were-" He realized he wasn't sure. "Much shorter." That much he knew. That bit of a glib remark out of the way: "This is all so strange."