• Sheldon Cooper | The Big Bang Theory Wiki | FANDOM powered by ...

    Dr. Sheldon Cooper. Aside from his characteristic idiosyncrasies, Obsessive–compulsive disorder, obsessions, and extreme narcissism, Sheldon does not understand why humans are illogical and tries to be logical himself.(Though he is actually more illogical than most people in so many ways Ex: Fear of change, fear of birds, expecting others to ...

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