1. Understand what it is that will make you happy.
2. Make a plan for attaining goals that you believe will make you happy.
3. Surround yourself with happy people.
4. When something goes wrong try to figure out a solution instead of wallowing in self pity.
5. Spend a few minutes each day thinking about the things that make you happy.
6. Take some time each day to do something nice for yourself.
7. Find the humor in situations that would otherwise make you unhappy.
8. Maintain your health by eating right and exercising.
9. Believe that you deserve happiness.
Read more in lifehack.org: 9 Tips in Life that Lead to Happiness
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