‘Emotional Control’ - this often sought after, and rarely attained, side effect from martial arts training. We envision the wise old master sitting quietly in meditation, only to turn into a verifiable badass the moment the movie needs an action star to save the day.

What we don’t see, is that emotional control doesn’t really come for free, or as an automatic trait of just taking martial arts classes a few times per week.  It doesn't come with...