Carrie, Thank you so much for the encouragement!!! Pleae don't get mad at me!! I went home last night and watched Duncan rather than interacted with him. He is so BOLD! And remember when you asked if Jack was destroying things in the house or biting himself? Well, I got home last night and there was garbage strewn all over the house and Duncan was in his crate....So it's started.... My roommate is not being supportive. She refuses to "play along" and Jack is suffering. Duncan bosses him around almost constantly now, in and out of the house. Anyway, I called an animal behaviorist named Eric Louis. He runs a place called Seven Valley Pet Services. My vet recommended him and he seems really nice. I tried to explain everything on the phone just now but it's so hard.... I made an appointment with him for Saturday February 16th at 9:30. He's coming to the house to meet Duncan, Kate, Jack and I. I wish it was sooner but he is booked for this coming weekend. Thanks again for the help, advice and encouragement! I'm sure I will learn a LOT from this experience! I'll keep everyone posted!