Exit Music (For A Film) lyrics

This song about a guy writing about his love. They sleep together and wake up in the morning. He needs her to so he can live. His saying "keep breathing" is him telling her that it is her breaths that keep him alive and he is living solely for her. Only her happiness can keep them "warm" as in living warmth. "such a chill" refers to her leaving or her death. She died from something tragic someone else or a type of people cause. "we hope that you choke" meaning he hopes karma will get back at the people or persons. This song is a parallel to romeo and juliet for theese vary reasons , which is why i think it is used as the exit music for the romeo and juliet starring leonardo dicaprio.