Gone and Done

Sebastian and Grell, tragic love story. Lets say he insulted her by accusing her of cheating. She left. Though at first she didn't seem like it had bothered her, it did. It hurt her terribly on the inside. She loved him greatly, and he loved her, she didn't know how to go back to him though. He is broken and hurting terribly. He hasn't left his apartment in forever. He realises that she probably isn't coming back he breaks down. He feels like his only reason to live is gone....