Professor Nielsen lectured:


    “John Doe was the first test subject to have his survival instinct switched off—taking extraordinary risks in battle. Later, as a civilian firefighter, he saved lives by performing heroic feats no one else dared.”


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    “But one day, John had a critical moment of introspection on world suffering caused by humanity—‘Why live at all?’ he asked himself.”


    “John jumped off a rooftop to his death.”


    “An existential crisis?” asked a student.


    “Indeed,” answered the professor. “The survival instinct goes beyond mere reflex. It bombards the mind with delusional wishful thinking for procreation, as natural selection exhibits.”