The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
To be a nurse is to walk with people through some of the most vulnerable times of their lives.
If you want to go fast, go alone. If you want to go far, go together.
It's simple, you just take something and do something to it, and then do something else.