You need to get away from negative people asap. Then spend time alone and think about what you want to do with your life. Then start working on that every day. You will slowly feel better. It might take some time to figure it out. But the important thing is, stay away from negative people. You need to be by yourself to think about this. Stay away from negative people and anyone that is going to distract you from figuring out your thoughts.

You also should read some books about trauma. Or trauma caused by family. When you said “let family down” I already kinda had an idea what was going on