Braid your hair. Chalk the sidewalk with Mr. Sun and colour blocks. Jump rope. Carve soap. Clean behind your ears and get 170% of your daily Vitamin C. Eat oatmeal raisin cookies. Replace the bronzer with catnaps in the sunshine. Wear too much blush. Party with pinatas. Finish the greens on your plate first. Put on your helmet. Double on bike rides to the outskirts of the city. Make messy piles of pretty clothes in your room. Frame pictures your friends have drawn for you and hang them on your walls. Invest in a good set of pencil crayons. Go to travel agencies and take brochures for exotic places (then sit cross-legged on your best friend's bed all night and tell each other stories about what you would do if you lived there). Get a dress-up box. Put stickers of flowers on everything you own. Say 'please', 'thank you' and 'good morning' to strangers on the street on Sundays.
I don't care what he says, because if being five years old on the inside feels this good then I'm pretty cool with never growing up.