The tap has him blink in surprise, eyes opening in reflex. But he finds himself still smiling a little - Xue Yang could have left him like that far longer.

"I do not know yet. But surely there are people here who can provide cloth, if not tailor clothes to fit you." It doesn't occur to him that maybe he should make it clear that he'll be helping in look for said clothes. "I have some coin. It should help."

Ah! There's another sign that Xue Yang isn't hopeless. He smiles softly at the consideration. "I only do not want to make you uncomfortable." His own comfort hardly matters - just as much as the fact he's never shared a bed before is irrelevant.