Astrid knows who he's talking about.

"Not a lot," she says, finding her arms wrapped around herself, her gaze on the floor. "She said... you were like you were when you had the tech in your head, but... angry. She was angry, too. At... everything, really. She said she wanted to come back, but only when she'd gotten rid of her anger."

Astrid looks at Peter again. "I haven't heard from her much...."