He pressed the tip of the knife to her throat, clenching his teeth as he sneered. "You thought that I could ever love  you?  A filthy, fucking Mudblood?" Spittle flew from between his clenched teeth. He leant against the knife, pressing it so a drivel of blood escaped her neck. "You fucking manipulated me. You"—he swallowed, laughing bitterly—"my parents are  dead  because of you, you fucking bitch. What the fuck is the matter with you?"