hello, i have a gelding that is turning 4 in April 2009, but i think that he has started to lose his baby teeth. Would this result in him starting to bite? If so, how could i possibly stop him from doing so. I mean, sometimes he'll bite me for no reason and other times he acts fine. He has even started to chase me in the pasture at times and bite at my arms, legs, and back. I don't blame him for doing what he does, but something must be wrong. Could anyone help me?