He worries that, too. Maybe he killed all of them and chose not to remember. What kind of disgusting person does that make him? Although he tenses and bites his lips, he resolves that he really has to tell her at least what he knows. This entire thing started because he's the one that wanted to forget everything and run away, didn't it?

"I don't know..." he repeats quietly. "I just woke up, and..." She looked like she tried to scream... His fingers curl in the sheets where he holds the side of her bed. His shoulders are starting to shake again, and he can't look at her. "I'm sorry..."