It is so weird, just this morning Tyler was rubbing Brutus' beak with no problem (I wasn't there). This aggressive behavior seems to happen at night. What is different is we are all sitting together. Brutus may be thinking Tyler is competition or something. My boyfriend, Dave, he loves though! Dave and I are always hugging and smooching and Brutus has no problem with it. So this makes no sense. For peace's sake, we are installing a temporary tension rod and curtain panels between the kitchen/office (where they are) and the living room (where we eat dinner). Problem is Brutus will probably just hop down on the floor and stroll in. Oh well, we will cross that bridge when we come to it. Maybe tension rods on the floor and the ceiling with curtain panel threaded in both. My boyfriend's son, Tyler, is 6 feet one inch tall, and it seemed to happen overnight, so he is no small kid. Last night Brutus probably flew at Tyler 5-6 times. Poor Tyler. He seems to take it in stride though.