[He gives a half shrug. He's not about to lie to John, that's something he decided not to do a long time past, but that doesn't mean he's about to just blurt out any old truth.]

I took a couple that first evening.

[He raises the metal arm about halfway and makes a fist, the slight whirring sound just audible.]

It's good, better than I thought it might be without an engineer. You're both good surgeons.