Positive mood is very important, both physically and mentally, so to have it steady and natural, you need to create some habits:
Treat yourself with love
He spoke to himself with kindness and a lot of love. This is a very good form that helps you to increase your self-confidence and love yourself even more.
Surround yourself with the right people
People who support you, motivate you, accept you and don't take away your energy are the right ones. Surround yourself with as many such people as possible and you will always be in a positive mood.
Celebrate the small victories
A promotion, the successful completion of a project, a beautiful outfit combination… these are all small victories that you should recognize and appreciate and celebrate.
Change the affirmations
The moment you start being hard on yourself, realize that you have to "change the plate". Turn the affirmations into positive ones and thus, you will reprogram your mind to think more beautiful things.