Hi my name is abbi! I am 16 years old. And I have been riding all my life. I got a horse for my birthday three years ago, he is a 6 year old dun QH his name is joker. I have been trying to get him to stand still when I mount him but.... he wont. I have put him in the corner of the barn and in the corner of the fence but that does not work. I have tied him to the fence when I get on but he just end up pulling the fence out of the ground. I have also grabbed his tail and pulled his head to it and that does not work either. My grandfather holds him and he runs in a circle and will not stand still. And he has picked up a nasty habit when someone hold him. he bites. Got any ideas?