There's a time when we need to learn how to do something that even very easy before.
I'm on it. I don't know how, I just can't control my mood. I want to be happy, but I forgot, my mind said "How?"...
But if I want > I know, I can!
Wiki said: Happiness is a mental state of well-being characterized by positive emotions ranging from contentment to intense joy.
I want to be happy, I want anybody around me feel me and happy because of me, I want spread the happiness. I'll Smile. I Smile :)