I don't believe in a God inside me etc. (or at least not in the way you do) but it is very good that you believe in a God which is good. That you
have the idea that the God within you might think that some of your actions in the past are not as God should do them, does already say you are a good
person
I don't think that the God in which you believe would do you harm because of such a thing which just says how good you want to try to live your live