If you do not have "Stories Guide to Chickens" I would buy a copy. I too was experiencing the same thing with my roo and almost gave him away. After I read that book I gained a lot of insight about chicken behavior. For instance they do not see very well to begin with since their eyes are on the sides of their heads. They have one eyhe they use for distance and one for close up. That is why they always look at you with their head cocked to the side. Also any fast moving shadow or fast movement at all looks like predator attacking. That is why roosters often attack children and well meaning adaults is that they make very sudden movements, which again looks like they are being attacked. Chickens can't really distinguish you, being a person from any other animal. Once I read this everything started to make sense and I realized that if you make slow deliberate movements you won't get attacked.