Remmy felt almost like his world had turned upside down since he got on this cruise. He had fallen in love but had his heart  broken; Not only that, but he couldn't be their pet or first born child. He felt like this had all been a big mistake, he wondered why he even bothered to keep the darkness within him contained. Everytime he looked at Saphira he was reminded of his feelings for her, but when he sees her with Marcellus he is reminded of the pain he currently feels. If he let Akuma take over then he wouldn't have to feel the constant sting of such heartbreak. He wouldn't have to worry about her anymore. He could just fade away and forget about her entirely.