Why is it so hard to break a bad habit? #rumble

Explore the psychology behind how good and bad
habits are formed, and get tips on how to manage
these behaviors.
Many people deal with a nail-biting habit at some
point in their lives. Some will go to great lengths to try
to stop, employing strategies like dipping their hands
in salt or wearing gloves. And while not all of us are
nail-biters, most of us do have a habit we'd like to kick.
So, what's the best way to break one? Explore how
habits are formed, and discover tips on how to
manage these behaviors.