A list of scary things includes "roller skating down hill when you haven't learned how to stop, getting hugged by somebody you don't like, and finding out your best friend has a best friend who isn't you.".
A young hippopotamus worries that he is too big to be good at anything, but with the help of Aunt Emerald he learns that "You can always find something to be good at, you just have to find out what it is.".