After spending time with some very spiritual friends, I learned something.
The more spiritually mature you are, the more happy you are. The more positive. The more hopeful about life you become. You succeed in your goals, and you become resilient and grateful.
And the opposite is also true. The less spiritual you are, the sadder you get, get stuck in your ways, or don't get hope to try again so you become worse instead of better, and view life on a depressing way.
So really, it's all about how close to Jehovah you are... the closer you are to him the happier you are, and the farther you are from him, the sadder you are.
