Hythlodaeus gets to his feet with Lahabrea's hand in his own, and gestures to the direction of the bed.

"Come, then. Talk to me about anything you would like. I am, as it happens, an excellent listener."

Though he fully expects it'll simply be talk of concepts, if that's what Lahabrea is comfortable talking about then they can keep to that topic. He's already obviously out of his comfort zone simply holding Hythlodaeus' hand.