He can see he is terrified. This isn't the first time he sees him broken before. Lan Wangji remembers how far broken he was nearing the end of his first life when his Yiling Patriarch days terrified the cultivation world, and for a time, he wondered if Wei Wuxian resent him.

Patiently, as he looks at his crumpled friend on the ground floor. "I think it will get worst if you stay here. Also, you're wet and I'm getting cold. If the hotel is feeding off emotions...then I do not know."

Well, at least he's got up and become motivated to wear them, and Lan Wangji puts on his.

He then offers his arms to carry Wei Ying bridal style. "Come on. To your room, so we can get dry and then continue." He'll pick up in his arms with his arm strength.