Recently had to go to a Neurologist,so obviously a smart chap, eventually got talking about football, he supported the dark side from when he was a kid in India ( no I didn't ask him where he was from,he volunteered this)Has been in the U.K.for 15yrs working in Dipperland,and was really surprised and amazed at the cult like hatred the Dippers have for other teams,and complete lack of self awareness of any failings in themselves.He obviously to professional to give a diagnosis on them ,but I got the distinct impression he considered their mentality is suspect.