Being without Luke, even if only the few minutes it would take to run that errand, is a thought he'd rather not entertain right now. Maybe in a few days he'll stop feeling like it's not real, and then he'll be able to relax and let Luke out of his sight without feeling ... something. He's not sure what it would feel like, since Luke hasn't left. He'd rather not find out.

So he shakes his head with a quiet noise instead of the word 'no', then moves yet closer to wrap his arms and his towel around Luke from behind. And he burrows his nose in the back of his neck, closing his eyes as he breathes him in.