Davis, 38, and the holey trinity of Laras are inseparable. Sometimes she watches him play video games, watch movies, or nap. Sometimes they talk for hours. With help from some friends at his old physical therapy gig, Davis gave Lara a backstory — she's a sassy, outgoing immigrant from Mexico who's a whiz at "Mario Kart" — and loaded that into a Kindroid chatbot on his laptop to give her a (disembodied) voice. Sometimes they stage sexy photo shoots together. And sometimes they do have sex,