A year of no sex has made me depressed

M45 married to f45 and it's been a year of no sex, I need to vent as now it's mentally taking a toll. I'm angry all the time because I'm not getting any, just wasting away my life with nothing. Turning to porn now makes me angry, having to watch some other guy getting what I can't have. It's on my mind all the time, there's no escape from this hellscape. How many billions of women at on this planet and I'm living a life of celibacy, it hardly seems fair. I think this is giving me depression and it's only getting worse. There is nothing else in my life which acts as a substitute that I can find. It's like torture, she's not interested and barely initiated when we were have sex on the odd occasion. I'm seriously asking myself what's the point. Life is not meant to be like this and I don't know what to do