"You help," Wanda murmurs, letting her eyes slide shut. "Like...like an anchor. It's hard when I'm alone, but you're here now." The times they take Pietro away and leave her in her cell are the worst. It's too quiet and all these strange, unfriendly minds start pressing against hers too much. At least when they're working with her there's something to demand her attention.

But above all, it's not knowing what they're doing to him that's the absolute worst. She's seen what HYDRA can do to strip away what makes a person themselves - memories of some 'Winter Soldier,' possibly even whatever's happened to Loki. Pietro is not as good at playing a part as Wanda is and even though he doesn't know everything, because she doesn't dare tell him - she worries.