[James blinked in surprise at the bottle, initially shielding himself from it, as if expecting a blow instead! Oh, just water...?]

You really are a dear! You're a lot like Jessie. [Went to nursing school, but you wouldn't take her for a nurse with her abrasive attitude!]

Really? I wasn't aware it was the loss of water or, salt, was it? I just thought it was my delicate constitution!

[Impressively ignorant, but therefore, easily impressed!]