You've been told not to do these things since you were little. It turns out they are good for you. You just have to pick the proper time and place to do them.
They call them habits for a reason and, for the most part, they really can be hard to break. A few of the habits on this list are just mind over matter, but some are real physical habits.
According to a recent survey, here are the Top 5 Habits people would like to break.