sounds exactly like my old job
get out, get out, get out - as fast as possible
i was at my old job for about 2 years, the first year was bad but the second year was worse, i seriously would just be depressed about life and discouraged about everything!
i knew my only way out was to start my own business because there really aren't a lot of job options in this area, so that's what I did
if you can do that, do it, but if not, i'm sure there are other jobs in your area that you can do somethiing similar but be APPRECIATED and not have to go through so much stress
In May it is going to be ONE YEAR since I quit my job, and I think I'm like 200% healthier and more relaxed and just happier about life in general because that was just an awful environment
fast as you can, free yourself