As usual, considering that Durga Chew-Bose’s Bonjour Tristesse is based on Francoise Sagan’s novel of the same name, I can’t comment on how faithful this movie is to its source material. However, considering how unsatisfied I was by the end credits, I did some research to understand the film’s relation to the novel. Suddenly, the stars aligned and I figured out the root of my agitation. Sagan’s Bonjour Tristesse was published in 1954, predating the French New Wave…