"in a strip mall karate class when I was six years old," he tells Men's Health. "I got my blue belt. But I forgot all of it before we started filming. It did not help at all." To get back into ...

Bertrand's introduction to martial arts started the same as many, "in a strip mall karate class when I was six years old," he tells Men's Health. "I got my blue belt. But I forgot all of it before we ...