I have recently purchased a 12 year old Quarter horse who is incredibly anxious about almost everything. He doesn't like to stand in cross ties, and will rear and paw at the ground if he is in the cross ties and there is not another horse in the barn. If a horse comes into the barn or leaves the barn while he is in the barn he paces, or "lopes in place". He also does not like to be anywhere where he cannot see another horse. He panics in a stall if he cannot see any other horses and won't eat if he doesn't have a field buddy.
I bought this horse specifically because my riding instructor knew the horse when he was younger. He is a reiner, however we haven't made it to any reining manouvers in the six short months i've owned him. He was a researched purchase as I thought I knew what kind of horse I was getting, however in the few years from when my instructor knew him to when I bought him, he seems to have changed. I know the last few years haven't been easy on him, and some of the owners pervious to me have been hard on him. He seems to have a hard time focusing and seems to just be worried all of the time. He is currently at my tainers barn, because I'm a relatively new rider and need help working though some of his issues. I was just wondering if anyone had any advice or have dealt with anxious horses before? I've been doing lots of ground work with him and realize that I haven't owned him long. Any advice is welcome!