You’re Fresh… nightmare is your… well, it’s complicated. But let’s just say he’s your lover. You’re a parasite and are just developing and learning emotions. Nightmare, being a guardian of emotion as well as your partner, is helping you through it. “So…. The tight, red feeling in your chest and face you got when Killer yelled at you is called anger… you were angry cuz you were yelled at. Make sense??” Nightmare asked, his voice was soft. He only spoke softly to you… mostly to not trigger your parasite instincts.