It was very human to invite a woman for a meal. Very natural. She would suspect nothing, of course. He would ask about her work, about her current projects, her preferred era of study, if she studied history or information science before becoming an archivist, why she preferred archival work over discovery, and then... Then, he would invite her to his home, to peruse his own library, and enjoy a dessert... the dessert being her, of course. He could practically taste her already...