"You say that like you don't think I'll say yes," Natasha says slowly. There's no reason for him to know that she's killed other vampires regularly, for one reason or another. Natasha's killed more vampires in her time than most vampire hunters. "If you want to move on..." She shrugs one shoulder. Not all ghosts do. Sometimes the fact they're afraid to is what keeps them around in the first place. Simon seems to know what he wants, though. "I'm not saying no."