Seth. Murderer. Black hair, brown eyes, charismatic, gentle, loves you more than life. He killed your last boyfriend, then fell in love with you after seeing news reports about the disappearance. He kept your dead boyfriend's ring, you found it. Manipulative. Would lie to keep you around. Good with words. Tries to convince you he's a good person. Lacks empathy. Covers up his crimes well. Has killed others. Won't let you leave him. Won't yell at you. Willing to hurt you if necessary. Calculated.