Benzos are fucking terrible to come off of. For me, specifically Klonopin. I was prescribed it for 4 1/2 years, 16mg a day. I was really scared that I was going to die when I came off of cold turkey. I was crying out to God or whoever would take it away, I thought I was completely brain-fried and would never be able to have a job or be in public again. I was hallucinating the sound of people around me, and I'd see shadows and shadow people around, and sometimes I don't even know if it was real. I can't describe how much I was sweating, but I was cold all the time, and shaking. I lost conciousness quite a few times for about 3 - 4 weeks. It was the worst thing I've ever been through in my life.
Also, I am permanently addicted to benzos now, I think about them every day, even though I rarely take them anymore. I crave them, it sucks. Just to feel normal, to feel calm.