How Do You Feel Good About Yourself?

I know this may sound repetitive but I don t know where do I search inner happiness. I know some of the smart people here will say it will come internally but how do I stop feeling inadequate? How do I not feel like a failure, unaccomplished, unattractive, not good enough etc etc. The list keeps going on and one in circles like a halo of negativity around my head. I am having trouble letting go of these self-diminishing thoughts. I have an interview tomorrow and I feel that I have nothing... How Do You Feel Good About Yourself?
https://www.myptsd.com/c/threads/how-do-you-feel-good-about-yourself.51318/