If you change your avatar to a sunset avatar on social platforms and notice that someone has changed his avatar, it may represent his respect for you or * * *. He may think that you changed your avatar for a reason, or he may like the appearance or some connotation of the image. Of course, it may just be a coincidence. After all, changing avatars on social platforms is a common behavior, and many people may not care about the meaning of avatars.
Changing the avatar is one of the common practices in social media, which can express the change of personal attitude, mood or image. In order to make an accurate judgment, more factors and evidence need to be considered.