He's been holding back a question, because Natasha, of all people, should be allowed to be confident and to know that the Avengers are going to win, no question. He doesn't want to cause her to doubt, because what she deserves is certainty, but he's struggling with that idea himself. "How can you be so sure?" The words almost burn coming out, as if telling him he should never have given them voice, but it's either say them now or hold them back and let his internal wrestling match continue.

"Personally, I don't think I can trust anything they offer. I mean, yeah, I tried those weird plants, but compared to the other options?" He shakes his head, knowing that plants can be every bit as dangerous as other foods, perhaps even more. There are poisonous plants, of course. "So basically, we should be prepared for the worst." They basically are anyway, given their backgrounds, but it's all about having the right mindset from the start.