How Do I Stop Being Hyper Independent?

24 m due to childhood trom and abuse, i've learned to depend on myself. This is unhealthy as excessive independence can lead to many problems including loneliness,. Loss of trust in others, feeling tired all the time, not being able to feel vulnerable around others. How do i even trust people in the first place? When do i know when i need help? How do i deal with others when they let me down? HowDo i provide help without any strings attached? I sometimes have expectations for others to have my back but i often feel disappointed. These are fantastic questions, so hard to answer, though in my head, i don't ever need help. Things get learned on my own