Dean: Can I tell you something?
Lorraine: That depends on what it is.
Dean: I think you're really really pretty.
Lorraine: (after a pause) Ok, you can tell me that.
I'd also play him as sort of a magician who does everything by fraud, and you can tell that he does; for 'change my water into wine' he'd put red food coloring into water and stir it up. And of course he wants to know if Jesus's powers are real!