Well...

[He genuinely has to think about it, because although he should have expected having the question turned back around on him, he hadn't, not enough to prepare an adequate or glib response, at least. He pauses, both for the sake of lighting himself another cigarette -- and offering her one, of course -- and for the sake of stalling, trying to come up with an answer.]

I guess you do, kinda.

[Should he really say it? It would be frank rather than flirtatious, honest rather than flattery, and he's not sure she'll take it favorably. Not everyone would, and he's still having a hard time trying to determine just what type of person she is, what makes her smile and what makes her look slightly afraid.]

You kinda remind me of a woman I used to know.

[It's saved from being at all flirtatious or lascivious by the completely serious, almost sad expression on his face.]

But of course it ain't just that. You're your own person, too.