You can't if there's already a strong connexion between you and your fave.
That's how I feel, I could never ditch Mariah, there's much more than just music.
You could try requesting a ban on ATRL! (Not even shade, that'd legitimately help.) But I mean, it's really not even a problem until you start caring more about whoever it is you "stan" for more than yourself. If your real life is starting to collapse in on itself because you're too busy following every move of this person, it's time to hang it up!
If you have an emotional connection, like me for example you can't. There's so much more than music. I follow a couple Demi stans who are father's and mother ......