"I. I can't go back where I came from. There's nothing for me there." They killed Steve, they're pretty sure. The only thing left there is HYDRA, and while the thought of hunting them down and destroying every last handler and tech is appealing in a kind of distant, Asset kind of way, they don't think they trust their remaining scraps of programming to let them. "But I can't stay here if there's no. No people. No spirits. I don't want to be alone."