The secret of happiness

So, have we solved the secret of happiness?
"I believe so," he said.
Are you going to tell me?
"Yes. Ready?"
Ready.
"Be satisfied."
That's it?
"Be grateful."
That's it?
"For what you have. For the love you receive. And for what God has given you."
That's it?
He looked me in the eye. Then he sighed deeply.
"That's it."

- From Mitch Albom's Have a Little Faith.