No one’s perfect — not even your trainer with his washboard abs or your nutritionist with her seemingly impossible knack for dietary self-control. In fact, many top wellness experts admit to having trouble practicing some of the fundamental principles they preach. So, next time you feel bad about devouring that box of Girl Scout cookies or being too hungover to make it to the gym — don’t. Not convinced? Check out our slideshow above to hear it from the horse’s mouth.