The 5-Factor Diet was originally created for celebrities. Harley was challenged to create brief (yet incredibly effective) workouts for actors, while training them during their short breaks on movie sets. In addition, he needed to create healthy meals in a matter of minutes (literally), using simple ingredients (the fewer the better) that could fit in the mini fridge on a set. Harley's clients were eating five times a day, cutting the length of their workouts, and transforming their bodies. As t…