I’m desperate. I’ve been trying to reintroduce my cats for nearly 6 months now. I can’t bear the thought of rehoming the aggressor but I don’t know what else to do. After six months she is still trying to go right after my other cat’s neck. I can’t believe this is still not working because of one visit to the vet in December. They’ve been living with each other for more than 4 years and then my Tortie had to go get a dental cleaning. I’ve introduced them successfully before but back then the little one was a kitten. I just couldn’t live with the guilt giving either one away but this is unbearable. My husband and I have been sleeping in two different rooms because of this.Theycare fine at the gate but a few mins in and the stare down will start and Piti (the aggressor) goes right for the neck. It’s never been like this.