The prologue to The Darjeeling Limited, Hotel Chevalier, gives background on Jack Whitman's (Jason Schwartzman) relationship with his ex-girlfriend (Natalie Portman). In the short film, Jack is staying at a hotel in France, and his ex surprises him with an international booty call, of sorts.
Line on Love
Ex-girlfriend: "Whatever happens in the end, I don't wanna lose you as my friend."
Jack: "I promise, I will never be your friend. No matter what. Ever."