You will never know true happiness until you are truly loved, and you will never understand what really hurts until you lose love. Pleasure is the happiness of the fools, the happiness is the tranquility of the wise. Happiness depends on what you can give, not on what you can earn.
Humans who have never experienced suffering, will never experience the happiness of life. When you feel you are unhappy with your life, then remember that there are happy just because you are .