From the PsychCentral blog

1. You control about half your happiness level. So at least half of your happiness is up to you

2. Money doesn’t buy happiness. In fact people who give money away tend to be happier

3. Lottery winnings create only temporary, short-term happiness. The lesson here is create real lasting happiness based on substance

4. Relationships are a key factor in long-term happiness.

5. Focus on experiences, not stuff. Doing things, seeing things, going places makes you much happier than acquiring materialistic things

Full details on the 5 ways to get happier are HERE