Maybe. Back home, I was pretty sure of that. Now? [He pokes at the pizza on his plate, suddenly grumpy with it.] Well, if they stab me in the back I guess I'll know. Some people are good at pulling the wool over your eyes and being shitty bastards when you don't expect it.

[He doesn't actually think of Tuco doubting him when he says it. He's just thinking out loud. He really doesn't think they'd use him- if they had to arrest him, he wouldn't fight, but he didn't think that, if he told Boone at least what he did, he wouldn't use him for anything.]