Guilty as charged, Evelyn visibly deflates and would be grateful that Philip pointed out the flaw in her reply were it not for her inherent desire to be as transparent as possible. As Philip is aware, her inability to lie is directly proportional to her love of books: incredibly obvious.

At least he asks something she can answer.

"I don't know," comes the honest reply, and Philip is exceedingly lucky that Evelyn doesn't assume that he's assuming the worst.

"I don't see why he'd have any reason to, I know he trusts me, and I trust him."