This document provides advice on how to stay young at any age. It discusses that children are excited about aging but that excitement fades as we grow older. We go from becoming 21 to turning 30 to pushing 40 and reaching 50, with each phrase sounding less enthusiastic. However, the document encourages making it to 60 and hitting milestones up to 100 and a half. It lists 10 tips for staying young, including throwing out numbers about age, keeping only cheerful friends, continuing to learn, enjoying simple things, laughing, enduring hard times but moving on, surrounding yourself with loved ones, cherishing your health, avoiding guilt trips, telling loved ones you care, and remembering that life is measured by moments, not breaths.