I know it's something that at least instances can control, because I don't think Beehaw has a down vote button. Maybe the admins of this instance should consider that for lemmynsfw, too

You're so cute! I wish there was a way to follow you, and other individual people, on here. If there is, someone let me know!

The closest I can think of is to save a post by someone then regularly user that you access their profile and see what else they post.