To be happy

 Maintain a positive and optimistic outlook.

Focus on what you can control.

Surround yourself with happy people

Enjoy your work.

Have a life outside of work and change how you view money

Give to others.

Be flexible

Sleep healthy, eat healthy, and move.

Let go of grudges. 

Pursue dreams and set goals realistically and periodically.

Cultivate and nurture social relationships.

Experience life.