E. on Instagram: "I always loved celebrating you, and maybe because it was a reflection of how beautifully you always celebrated me. I romanticized growing old with you, the love of my life. I used to wonder what our faces would look like with wisdom-wrinkles. You’d always tell me how you hoped I’d keep my long hair even when we were both gray and also that I’d always wear white (because it was the color you loved me wearing the most). We’d laugh about how you’d probably still be out on college

How your digestive system transforms the food you eat into the nutrients and energy that keep you alive: | TED-Ed