[For a moment, Sokka has to process that. Because that is not how Sanji put it to him. At all.]

I know you would have gone up there alone! Because that's what you do. And it's not wrong, but... [... it's not the point here. There's a bigger point. But he doesn't want to admit it. Not after he's passed it off as not being a big deal in the past.] I'm sorry, alright? I was wrong about that.