[ That makes sense. In some way he can't imagine why Luke would miss fighting, but if it's an interest like cars are for Adam then it's more understandable. Either way, he's not going to question it. So he nods. ]

Okay. So you'd need swords and a wide space, right? Have you found any swords lying around? [ He notes it to himself for requests. ] Until we can figure out how to build a swordfighting robot AI, I guess you could practice on me.