I'm stumpted. Tucker is a 15 year old diabetic. He gets two insulin shots a day. The problem is taking vacations. I've gone away a few times only to have him hiss and growl at the sitter. Usually, he'll let her give him one shot but by the next visit...forget it! First I thought it was the sitter, then I changed sitters and same reaction. He's fine with my roomate though. Do cats experience seperation anxiety? This guy is way to smart for bribes. Tried that! Lost in the burgh!