And that's the thing: some of this change should be a good thing. Shaw, already in excellent shape even before she got here, has also been noticing a natural increase in her endurance levels and muscle tone, and the type of exercise she's been getting here is a very different sort from the type she'd gotten during soldier work. That's fine. That's great, in fact. But this is different.

She rolls over in Root's arms, expression dead serious as she faces her.

"If there's something inside me, how long until there's nothing left of me at all?"

How long until this unnamed thing makes her hurt people?