His breath comes out warm and shaky when they part, as he tries to catch it, tries to slow his erratic heart. They're close enough that he's sure Lan Zhan can feel it beating wildly, no matter how he might try to hide.

It's not until he hears Lan Zhan's voice, speaking his name, that he finally startles out of his haze, half-lidded eyes blinking into focus as he pulls back enough to look up at Lan Wangji's face. Wei Wuxian's is flushed, he's sure, caught unawares as he was.

"I... oh. I'm fine, I..." he insists, thoughts finally starting to catch up with him again. He felt a little dizzy.

"I'm sorry I can't be... I can't be more to you than this," he swallows, "your Wei Ying needs you."