[...Aaand only now does it occur to Sally that she's seen a bloke around here who looks exactly like Robert Downey Jr. but, in point of fact, actually isn't, just to name one, and that maybe this guy is telling the truth.]
...All right, sorry; maybe I've got the wrong idea. If you're not him, you look exactly like someone from my world. ...Look, why don't you tell me who you are and we'll start from there. Forgive me if I can't believe you straightaway.
Re: [voice]
[...Aaand only now does it occur to Sally that she's seen a bloke around here who looks exactly like Robert Downey Jr. but, in point of fact, actually isn't, just to name one, and that maybe this guy is telling the truth.]
...All right, sorry; maybe I've got the wrong idea. If you're not him, you look exactly like someone from my world. ...Look, why don't you tell me who you are and we'll start from there. Forgive me if I can't believe you straightaway.