A good song can usually make you feel better. If you eat a bunch of Oreo's and shortly after get a bump on the head and throw up, you'll no longer like Oreo's. You never know when you're going to meet a friend. Life does not go along as planned, especially if you don't write down your plans. Sometimes it's good to reintroduce yourself to a friend and start all over.
Anger takes a lot of energy.
Not all people are honorable. Food isn't as much fun when you start worrying about the fat content. Size does matter. Sun really does give you wrinkles. Once you pick all the marshmallows out, the cereal isn't all that good.