You're not alone. Paul talked about this struggle too.it seems like no matter how much I pray or try, I take 10 steps backwards still.
Romans 7:19 KJV
For the good that I would I do not: but the evil which I would not, that I do.
Or, in today's language:
The good that I want to do, I don't do, and the evil I don't want to do, that's what I do!
But he knew the solution to the problem:
Romans 7:24-25 KJV
O wretched man that I am! who shall deliver me from the body of this death? [25] I thank God through Jesus Christ our Lord. So then with the mind I myself serve the law of God; but with the flesh the law of sin.