Hi,
First, to address your question, it may not be a matter of learning what’s wrong with you more than it being a matter of embarking on a quest to discover what’s “Right” with you. No one has 100% things wrong with them and no one has 100% things right, we’re all on a spectrum somewhere in between. But too often we let what we think is wrong cover up so much of the right that we forget to “Forgive” ourselves for mistakes we’ve made. Your gaze is so focused on what went wrong in the past that you’re unable to see the “Best” in you now. (I’m sure you’ve have a good friend or more that may have told you that.

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As a person of deep faith, I truly believe, and have experienced, that the past doesn’t have to have so much bearing over our present. Instead of simply saying “just let go”, which you admitted introduces fear and anxiety, when you think about doing that, I would like you to ponder on and discover the following:
Right now, without changing the past, if everything were perfect, and the things you fear would happen, are guaranteed never to happen:- What are some “Great” things you would start doing, once you do permanently let go of things from the past?
- How do you image it would change your life when you start doing those “Great” things?
- Considering what you come up with, what does these new actions and way of living indicate about what’s “right” with you “right now!”?
Despite the fact that life isn’t always peaches and cream, I bet much of what you come up with is absolutely possible! As one who has overcome some of my own fears, and now coach others to help them overcome barriers to their happiness, I have seen that when fear is no longer near, a brighter hope-filled future is bound to appear!
I pray this helps to put you on a new path to a purpose and joy filled life ahead!