Realizing she and Javier only do damage to one another, Letty goes back to her old life, but that might be even worse. Javier will use any means necessary to get answers from the person who's been trying to kill him.
Underflow — Emma Louise
Letty and Javier discussing how, wonderful though it seems in some ways, focusing solely on each other forces other things to be "peripheral", and that others, like Jacob, get hurt -- Letty takes off