LL COOL J Shares Workout Do's And Dont's

The "NCIS: Los Angeles" star, who has also written books about his fitness philosophy, reveals that the biggest mistakes people make are both physical and psychological.
Going to the gym and talking about current events for three-quarters of their workout session instead of getting busy. It's really a big problem when your trainer wants to talk — you know, he's your psychologist and you're talking about current events. Work out! Let's go, let's start there.
Needing to stretch more.