Happiness is always around you as long as you pay attention so I would say what makes you lose the insight of happiness. 

Enjoy everything around you and try to make unhappiness become a great motive to move on. 

get it while you can.

The purpose of all people in life is to get the happiness.  We are searching for everything bring happiness and comfort to us. We have several tool to attain our destination. Some people think money is their way to get the happiness. Other people think that the good relations are your tool to reach happiness. 

The happiness is I have a window seat on the bus on the way to work.