Why does God bother with me?

Sometimes I wonder why God bothers with me. I am a sinful man. Just when things are ok, I go ahead and do what is wrong, feel guilty about it, say I am sorry, and the big problem is that it is just that little bit easier to do it again. I trust God does not give up on me. I am so grateful for what he has done for me, I am thankful for his restraining hand as I could be so much worse.