I have a seven year old Macaw that was willed to me. I have read all of the books and tried reading all of the sites available...BUT everytime I find a site it requires payment for their training techniques. "Simon" is very aggressive, to the point of him going crazy even when trying to place his feed in his cage. I know this is going to be a slow process because he is new to me and I don't think in last few years he has received much attention. I am at sqaure one with a new but older bird with much developed habits...please where do I start?