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.”

  Stolen content warning: this tale belongs on Royal Road. Report any occurrences elsewhere.

  “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.”