Nameliss territory increases to space occupied by open door. I watch her birdee tells to see her mood. When door is open, I talk to her when I have to approach. Doesn't matter what I say. This decreases, usually stops the 'spontaneous' defense lunges. She's a terror when hormonal. I do what vet suggested. I bounce a bright colored tennis ball. I tell her to look or something dumb like that. When she's distracted the lunges don't occur. I bounce it long enough to avoid her realizing it is a distraction. I have several balls. I'm a clutz. Yvonn may not like the birdie gym. (That's because you want him too.) Nameliss doesn't like pre-approved play areas. She thinks it's more fun to get into trouble.