On a level of simple personal survival, understanding and forgiveness are crucial... whether in an intimate personal relationship or on a global level.
As far I'm concerned, being an adult is way more fun than being a kid. But then I was a kid who wanted to be an adult. I'd watch shows like 'Bewitched' and see Darren come home and mix a martini and I'd go, 'That looks awesome! I want to do that!'