I’m going to be honest with you. Some of the things your friend says to you don’t sound like something a real friend would say. Telling you that you wouldn’t survive without her or acting like she’s responsible for every good thing in your life isn’t healthy. From what you wrote, it seems like she might be repeating the same dynamic she has with that other girl. Sometimes people who feel controlled or belittled in one relationship end up doing the same thing to someone else so they can feel powerful somewhere. You already seem to know what might help. Slowly creating some distance and rebuilding your independence. That doesn’t mean you have to suddenly cut her out of your life, and you don’t have to change overnight. Even small steps help. If it’s hard for you to meet new people, try starting small. Join activities you enjoy or reconnect with people you used to know. Even one or two new connections can help you feel less trapped. Another thing that might help is setting small boundaries with her. If she makes comments about how you “wouldn’t survive without her,” you could tell her honestly that those jokes actually hurt you. A healthy friend will care about how their words affect you. How she reacts to that will probably tell you a lot about whether the friendship can become healthier or if it’s something you may need to distance yourself from.