Actually, it says he mudered his wife. That's presented in the game with the last level of Kathryn. He's alone because he's in the hospital with a mental illness. He's not allowed to leave because it wouldn't be safe. I don't know if he meant to murder her, but I doubt it.
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It was a great game. One of the best. Very touching, made me cry.
I hope you keep up the good work.
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 "The Company of Myself"){kind=icon}