I believe it. I got a lot more holes up here than I'd like. [Apparently he lucked out in being able to remember as much about himself as he does. Some of the other people wandering around might not even remember their own names.]

I--- Well. [He scratches his head and lowers his voice.] We were fighting. It's complicated, and, uh. I don't remember it all. [Stark had been on the Raft, and Sam remembers being angry and frustrated with him. There just isn't enough information to piece together the whole story.] But yeah, I think so.