Most of us don't really give much thought to happiness. We just know whether we feel happy or not. If you're not happy, you may go searching for it. You may think happiness will come with material things or relationships. Often it doesn't.
If you feel that people react negatively or offensively to things that you do and say, it may be that you share your troubles with others too often. After a while people begin to avoid you, and that makes unhappiness worse.
Lasting happiness comes from sharing your positive attitude with others. The more you share the more you will get in return. Happiness also comes from serving others, like finding little ways to make others happy.
Remember that you have the power to attract anything in your life. Try happiness.