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I have these thoughts when I'm on the bus, when I'm thinking about something secret ;) ...afterwards, I'm afraid they might expose me, so I change my thoughts to threats, like: Damn it, are you reading my thoughts? Well, you're done for, you son of a bitch!... or: Hmm, what if someone is reading my thoughts here? Well, it doesn't matter, I'll find out and kill him.
This calms me down.
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