It might also help with you and Eric being out of the house so they can sort themselves out and go back to a level of understanding. Your stress might be impacting on the cats - they might be picking up on your stress and thinking that something else is about to happen to them. I know it's hard to see them fight, but please keep at it. It didn't work the first time Jupiter was taken away, it's not going to work a second time. Good luck.