My ex is married, and I still can't let her go, but she has a room to come to me every day to see what I send, my jokes or something. ...

For the sake of your health, of course, I still hope my predecessor is good. Treating others as good people is not stupid, but a skill, an ability to make your heart positive and sunny. In your eyes, if everyone is good, you will be happy for everyone, and you will eventually be happy! If it's too difficult and you can't walk, just delete her, which is good for yourself.