What If You’re Not As “Old” As You Think? Let me ask you something. Have you ever caught yourself saying, “I’m too tired for this.” “I don’t have the energy anymore.” “I’m not as capable as I used to be.” Now imagine this. In 1979, a group of elderly men — most of them close to 80 — walked into a house using canes. Some had arthritis. Some had poor eyesight. Some struggled with memory. One week later, they walked out standing straighter. Some of them were even running. No medication. No surgery. No special treatment. So what changed? A Harvard psychologist, Dr. Ellen Langer, decided to test a simple but powerful idea: What if aging is partly a mindset? Instead of giving these men therapy or medical intervention, she changed their environment. She recreated the year 1959. An old monastery in Boston was redesigned to look exactly like it did twenty years earlier. Black-and-white television sets. Old radio broadcasts. Newspapers from 1959. Conversations about President Eisenh...