There must be. But this shows that your desire for fitness is not strong. It is raining. It'll get wet. It's thundering. Don't go. Colleagues invite you to dinner and go shopping. Forget it. Go to exercise next time. I don't care this time. More than 90% people in the gym are like you, so it's normal.
Therefore, it is human nature to go only twice a month after getting a card. . . .