How to feel deserving of positive change

I am working to become more of a “get it done” person and less of a procrastinator. Right now my specific goal is to create a productive morning routine for myself. I have mapped out my time on my calendar and am clear on what I expect of myself but I have yet to follow through with my morning routine. I have been wanting a solid routine for at least 2 years now. I have done a model and the most intrusive thought is: “Who do you think you are to wake up early and pretend you’re someone who acts so mature”. I am having a hard time finding a believable thought to replace this with. I think a better thought would be: “I am going to help others some day by first taking care of myself”. But this still leaves me feeling undeserving. So, how can I think to feel deserving of positive change?