The “Let Them” theory, made famous by speaker Mel Robbins, is a mindset shift. Instead of controlling people’s actions or reactions, you just… let them. Let them cancel plans, act rude, forget you — and you move on. It’s about protecting your peace. This idea is exploding on social media because it feels freeing. But is it mature emotional intelligence or passive aggression disguised as wisdom? Time to look deeper into this theory and its real-life effects.