[His expression shifts to one of mild surprise and uncertainty. He brings his gauntlet-clad hand to his chin as he considers.]

...I suppose that could count as "hand holding", if it in itself does not qualify.

[Maybe shaking hands is its own thing as well, he's not certain. Bringing his hand down from his chin, he offers it forward for Zelgadis to take, should he feel willing to cross the distance between them.]

Well, would you like to put the proof to the test?