Caffeine addiction..HELP!?

I’m a 22 year old woman, and I’ve been through a lot. Just a few months ago I underwent a four month long treatment for a debilitating health condition called vaginismus, I moved back with my verbally abusive parents because I couldn’t afford a place to live while finishing college, and I was dumped by a guy I liked for a year and a half and lost my virginity to. After graduating college in December, I found a job as a preschool teacher, but then was fired two months later. Psychotherapy and Zoloft do help, but not a great deal. I’ve developed a raging addiction to coffee. I cannot start the day without drinking a few cups, and I drink it at night too, just so I can stay up as late as possible to put off the nightmares I have about my past. I also take it before I shower, clean my room, or study for GREs/apply to grad schools—basically before I do anything, otherwise I just don’t have the energy to do it. I cannot even drive anywhere without having coffee first. I just don’t function without it and I don't know what to do :( I'll have no money at all if I keep spending money on coffee like this :( I also can never eat because all the coffee just kills my appetite. My depression and anxiety aren't getting any better either :(