I spent a full day teaching today and it seems that students are always battling their feelings vs. reality. What I mean by this is that  the reality of what you are doing and the feeling of what you are doing are usually two different things. As a student you can not rely on your feelings, you must rely on how the swing or motion looks. Make the new feelings the reality, and make the old feeling a thing of the past. Watch yourself repeat the new motion enough times until it feels good. Then you will have developed a new habit.