So, if it does act like a muscle, can it also be strengthened? After several studies, we have our answer! With the right practice, willpower can be strengthened just like any other muscle in the body. Fair warning: like all practice, these workouts can be challenging. After all, you will be exerting your willpower in the same way that you would exert your legs on a run. But they are scientifically proven to get you results.  So, although it will be difficult in the short-term, eventually it will be easier to say no to temptations, stick to your diet and stick with your long-term goals!