To get the willpower to gamble responsibly, you can try a few strategies. First, become aware of your energy levels and make sure you have enough energy to make responsible decisions. Second, make decisions about gambling the night before, so that your willpower is not weakened by the time you get to the gambling table. Third, prioritize important tasks first so that you can focus on making responsible decisions. Finally, make commitments to yourself regarding responsible gambling, and stick to them. Additionally, you can also seek help from a professional or support group if you are struggling with your willpower.