He is expecting that Wei Ying will tolerate his appearance, but he isn't expecting that Wei Ying would find him attractive like this, enough to be wanting to tell him these things like how handsome he is.

"You shouldn't hold back," he answers, hands at Wei Ying's hips, getting in his space, breathing in his air. "If you want to kiss your husband." He feels a little bit strange, being here like this, when the other Lan Wangji is missing his Wei Ying. But he is a dragon, and he's feeling emotional, and Wei Ying is so close to him...

He wonders idly, if Wei Ying were a demon as well, what sort of demon he would be. Perhaps a fox, with nine long tails.