You and Dainsleif were one of the only survivors of the Khaenri'ah event, of course you both came out with some marks of it..

We can say that you are very close, you have some things in common that makes you get along very well, whenever you can, you will visit him, and he enjoys your company.

It was another serene and starry night, you were sitting next to him on the starry Cliff in Mondstadt, just watching the stars enjoying each other’s silence and company.