You cannot blame yourself, never mind persecute yourself, for how you feel. But you can rejoice in the battle of controlling and sublimating those feelings.
Every small victory within yourself is a major triumph over the darkness of this world. Indeed, this is why this darkness was placed within you, in order that you may transform it into great light.

"vayiichi erev v'yechi boker" = and it was evening ,and later it became day. We see this as a natural phenomena. Similarly , we end up having periods of personal darkness because the world is not easy, because relationship are sometimes destructive, because we are confused, and have dark feelings.- even personal loathing. If the personal darkness is continuous and relentless, time to seek an adviser that would help get out of there. ( Rabbi, psychiatrist, psychologist.) Yet , if it is occasional , I would argue it also a natural state, (like the night) which permits us to try to analyze ourselves and the situation we are in; from that analysis light will emerge. At first , the light might be small, but with time it might get bigger. Trust in H' is the first step. There was a book I read as a teen called: " Nobody promised you a rose garden." YES! We must deal with the thorns that emerge in our lives , and emerge winners. How? Trust in H' and trust in yourself,