The whole thing just sounded kind of odd. While Peter could see how he might have come across as extremely dangerous, that didn't explain why he'd decided to run away in the end. He would have thought himself reasonable enough to know that he would need to be controlled, which meant that they had done something to scare him off. Elle clearly wasn't going to spill, though, and questioning her too much would just lead to an argument. He needed friends here, not enemies. Sylar was more than enough already.

When Elle brought up Sylar trying to kill her already, Peter frowned in confusion. She had never mentioned that before, but Sylar hadn't really come up as a topic of conversation between them until the night of her death. Honestly, it sounded like things were all over the place between them, and Peter was having a hard time filling in the gaps.

But she was in denial, and he needed to pull her out if he could. Peter realized how crazy he had to sound, but she had to know there was no reason for him to lie.

"It won't happen again if you make sure you're careful," he said, wanting to at least half-agree so that she didn't reject him immediately. "The last time, when he came after us, you refused to run away. You wanted to beat him because you thought it would prove something." And that was likely to get through to her, even if she didn't want it to. Peter still could only guess at what her motives had been that night, but he wanted to make sure she didn't fall for it again.