Everything I ever really needed to know, I learned in kindergarten. Though... employment resumes are rarely effective when I put "My ABC's" under the 'accomplishments' section. In kindergarten I learned that ladies won't speak to you if you smell bad. I learned that I am not the king of the sandbox, just because I brought a towel to school & used it as a cape. And I learned that, though crying for your mother will get you out of class, it will not get you romance or friendships.
If I could be a child again with all of my life lessons mooshed into my childhood brain, the possibilities would be bananas! I would list all the exciting things I could do with my adult brain in my childhood body. But you could just watch that movie Freaky Friday to get the gist of it. Check out this tongue-in-cheek video where I share a list of the important things I have learned in life.