Derek was going insane; when he wasn't on duty, he was in his quarters just staring at all the pictures of Raven he had taped to his wall. It was almost an obsession.
Her familiars brought him new pictures to pin up, as well as some to hide for only him to see. He drooled with every letter, and each one he sent in return was like a feral animal.
Her face flushed, trying her best to match his feral wording. How she would make sure he was drained by the time he had to leave, how she would make up for lost time.