Thank you for the update. I think you have a very good plan of action. The best way to get the kids to talk is if they don't feel threatened. You can deck them after they spill the beans
. I realize that there isn't anything funny about the situation - just trying to give you a smile.
So glad to hear that the bruising is going away and that Princeton doesn't have any personality changes. Your theory(s) sounds logical - either one. I don't want to offend - but you might consider helping Princeton learn some patience on his walks to avoid future injuries.