thirteenth reason

Etymology
Originally from the best-selling 2007 novel ' by and popularized by the television adaptation ' (2017–2020). The plot of the novel and series follows high school student who kills herself and leaves a box of cassette tapes detailing thirteen reasons for taking her own life.

Noun

 * 1)  A relatively minor annoyance or inconvenience, jokingly implied to be the "last straw" that will motivate someone to kill themselves.