Di, I am with you in the wrapped my whole identity around my h and son.
Here's the thing. You realized it and that's great because knowledge is power. You know that that was not good for you. You also know that you can handle a great many things on your own. Also, a good thing.
So, armed with this knowledge, you can begin your search of self. It will not come as a lightning bolt. It will come in little steps. But it will come, I promise.
You are heading in the right direction. Keep going.