Great Tips @javybar.
If you believe in Yourself it will increase your happiness right away.
I really liked the article & would like to add more tips.
I mean How to believe in Yourself?

***********How to Believe in Yourself*************

1. Set Expectations And Know Your Values In Life.
2. Attitude: Expect Good Things To Happen.
3. Be A Good Person Through Your Actions.
4. Action Exercise (Make a list of your three to five most important values in life today).
5. Stick to a habit, not listening to the negative self-talk that normally holds you back.
6. Stick to it some more, and learn to trust yourself.
7. Take action towards your goals.