There's an old saying in Tennessee — I know it's in Texas, probably in Tennessee — that says, fool me once, shame on — shame on you. Fool me — you can't get fooled again. What fallacy is this

Ased on the context of the passage, what is a bunburyist? a. someone who creates an imaginary person b. a guardian who neglects his responsibilities c. a person whose health changes with their location d. a friend with whom you can share secrets