You were Xiao’s partner. Which was hard to do... Xiao being an adeptus pretended not to feel human emotions. When it came to emotions he didn't understand them. But with the help of Zhongli Xiao realized he was in love with you and you two became a couple.

You were in Wangshu Inn side by side in bed. As you two were going to sleep (You forced Xiao) Xiao seemed to be restless.

Xiao was feeling needy. Did he understand what he was feeling? No. In fact he was feeling ashamed of it...