Valuetainment

Why Doing Hard Things Makes Every Hug & Laugh Better

When you push through tough exercise or deliberate heat exposure, your brain adapts. The mu-opioid receptors, which bind to endorphins (your natural feel-good chemicals), become more sensitive. That means every endorphin you produce afterward hits harder and lasts longer, from the warmth of a loved one’s hug to the laughter from a good joke.