The 27-year-old underwent three months of psychological and neurological exams at Boston's McLean Hospital -- the training ground for Harvard University medical students -- where he was diagnosed with the mental illness, which is marked by difficulties with relationships and controlling moods and emotions.
http://msn.foxsports.com/nfl/story/M...eatment-073011

So maybe this helps to explain why his wife became Stabby Mc Stab Stab.