you wanted to invite him in because he didn't seem too interested in coming inside -- if he was too eager, you'd be suspicious, and it's nice finally meeting someone who doesn't want something from you, fascinated, you offer him your dearest hospitality, and you feed him but he refuses, and you think wow he's so polite but he actually hates tiramisu and he doesn't admit it until you offer to give him tiramisu every night for the rest of his life