Peter stiffens, his immediate reaction to wonder if it's so wise to cuddle up with an admitted murderer. Fortunately, the atmosphere of the dream has him relaxed enough to actually think about it instead of hurrying (or teleporting) away. Her husband -- she killed her husband, who was abusive alien scum and killed her brother. When he looks at it that way, it's a no-brainer. Their situations are not so different as that.

"Are you sure that counts as murder?" he asks. "I don't think it was murder when I killed the dread vampire Jerry."

Yeah, taking credit for that. Hey, it was his idea that got the vampire killed! He frowns, parsing out something else she said. "Who's 'they'?"