Spent only two hours sleeping at night, desperately trying to focus on my computation theory textbook&slides for the rest of the time. Came to school ridiculously tired and nervous, because I knew I was damned, if I had to prove Cook's theorem or something like that. Instead, the professor asked me, what question did I want. I was too confused to answer. Got some definitions around NP-completeness and recursion theorem and left ridiculously surprised with an A. g.g.