Feeling younger is beneficial for your health. People who report feeling younger show less brain aging. Feeling older than your actual age is a predictor of future depression. Source: Davide Angelini / Adobe Stock My Dad will be celebrating his 80th birthday tomorrow, and he is living proof that age really is just a number. He’s not just surviving—he’s thriving. He still works full time running his small business, he lives independently, and travels internationally on a regular basis.