''Depson did you know Mr. Arthur is allergic to caffeine?'' Valerie ventured to ask Depson again.

"I'm sorry, miss. I forgot to tell you that sir does have an allergy to caffeine; it almost took his life seven years ago, to be more precise. Since then, Sir has never consumed anything containing caffeine, whether in the form of food or drink. Is there a problem, miss?" Depson glanced at Valerie's face through the glass in front of him.

''If he drank a little bit of it, no, I mean, maybe just a little taste, would you be okay?" Valerie was at a loss to explain to Depson how, because there...