Hythlodaeus follows Emet-Selch with a smile, leaning into the touch before it's taken away.

"Ah, I am in cabin 139. I share with a fellow called Nostradamus. And yourself?"

If he wants to bother Emet-Selch, he needs to know where he stays. Though he could find him via soul sight easily, it's probably for the best that Emet-Selch tells him himself. Not everything has to be solved with his gift, after all!