This is a test of commonsense. Complete the next sentence:

How to have willpower
Evaluate your habits.
If you are trying to improve your willpower, it's likely that your lack of impulse control is adversely affecting some area of your life. Some people struggle with willpower across their lives, while others have one specific " weakness " when it comes to willpower.
Determine the area you would like to improve; if you have several different areas to improve, you may want to address one at a time. For example, you may find it difficult to have willpower when it comes to eating.