That time Ernest Hemingway and F. Scott Fitzgerald measured dicks

In his memoir A Moveable Feast, Ernest Hemingway recalled the time that he and his pal, Great Gatsby author F. Scott Fitzgerald, were talking about their dongs. (Excerpted text from Faded Page)

In the time after Zelda had what was then called her first nervous breakdown and we happened to be in Paris at the same time, Scott asked me to have lunch with him at Michaud's restaurant on the corner of the rue Jacob and the rue des Saints-Pres.