Love yourself It means that take care of yourself.
Whenever any problem comes in your way then solve your problems as soon as possible before thinking about others.
These are factors you can consider
Doing meditation, Daily exercise, eating good food, organizing your space etc.
Having income streams so that you don't have money related problems.
You have to maintain relationships between friends family and relatives, partners etc.
Make a List of the Things you LOVE about Yourself.