"As I'm already trapped in a cave with disgusting creatures. I don't want to imagine anything but sunshine and wine." He shivers at the idea even though he said he wasn't going to think about it. He failed that step obviously.

They haven't seen any nugs down here. The spiders probably ate them a long time ago. "I'm wondering why the spiders haven't eaten them, not what they eat." Perhaps it's grim of him but he's in one of those mindsets.