It's been a minute since I've been to the gym. Like so many other people, I went to the gym, got a membership, did my first session, did one more the next day, and then proceeded to stop going to the gym. The motivational impulse to begin to regularly go to the gym is nearly irresistible. Improving your mental and physical health through a gym routine? That sounds incredible. The sad thing is building discipline takes genuine effort. That explains why so many of us are left right at the startin…