Health & Wellness Halo Tue ,12 2424 1 day ago Last Updated : 11:30 AM Mel Robbins and ‘The Let Them Theory’ The self-help phenom’s new book is all about letting others do as they may. Can she follow her own advice? HALO NEWSLETTER Keep reading HALO with a Free Subscription unlock this story instantly and join members and pros reading HALO daily -It's Free SIGN UP LOGIN