Avoid people who mess with your head. Avoid people who intentionally and repeatedly do and say things that they know upset you. Avoid people who expect you to prioritize them but refuse to and won't apologize sincerely.
Detoxing from an unhealthy relationship is a process and it takes time. There will be good days & bad days. Just remember, it is very difficult to be an emotionally healthy person while closely attached to a toxic person.
As someone who used to be friends with people that disregarded me and shut me out until I was battling depression I just want to say that this is beautiful and true and whoever reads this please don't forget it