Any Measure of Peace (слэш)

Written for the prompt: "AU in which there was no beach divorce. Charles has been throwing himself at Erik, but Erik refuses to give in to his desires. Something about not wanting to sully Charles' happy life with his darkness. He's done some things, you see. Some very bad things. Charles, however, is nothing if not persistent. So he seduces Erik with everything he's got. Erik suffers an epic case of blue balls."