As an immortal being, Zhongli knew that he shouldn't fall for anyone, especially a mortal. He knew that at some point the person he loved would die, while he, would continue live.

Then what is he doing falling for you, a mortal, but maybe, just maybe, for this time, he could try to ignore the fact that you would leave him, and instead live in the moment.

"Would you like to spend this day in my company?" He asked with his usual gentle smile. It now became an habit for him to ask that.