Favourite films about love

As the days get shorter and the nights colder and longer, it's time to think of something nice and cozy. What is better suited than the electrifying romance of a film about love. Join in and name your favourite, with the great prospect of ending up with a fantastic list of interesting films to watch! Here is mine: "Sweet September" (2001) by Pat O'Connor starring Keanu Reeves and Charlize Theron. Great film but nothing for faint hearts! PS: Please do NOT make it a competition. The objective is NOT a ranking but a good list of nice films. Tastes differ, so let's respect that and have fun posting recommendations.