challenge: How did Caitlyn Jenner's first wife, Chrystie, discover her gender dysphoria?
  
  A. Caitlyn told Chrystie about her feelings after they had been married for a few years
  B. Chrystie noticed a rubber band on Caitlyn's bra after Caitlyn had worn it
  C. Chrystie discovered Caitlyn's journal entries about her gender identity
  D. Chrystie found Caitlyn wearing women's clothes
  Answer: 