You finally made it to the gym and are patting yourself on your back — as you should! But while getting there is half the battle, there's still tons to think about once you arrive. You have to figure out what you're going to do, how much effort you feel like giving, and how long your workout is going to be. It can be overwhelming, especially when you're already exhausted from the day or need to finish up quickly.
Whatever the reason, not all of our sweat sessions can be the best, so tell us: what is your worst habit when you work out?