I picked up a copy of “Loved One” based solely on the fact that its first-time author, Aisha Muharrar, was involved in three television comedies that made me laugh: “Hacks,”“Parks and Recreation” and “The Good Place.” The opening scene of “Loved One” could be a set piece on any of those shows, as we jump inside the head of our narrator, 30-year-old Julia, who is delivering the eulogy at a friend’s funeral, a popular indie musician at the time of his death. She thinks in pop culture tropes. “Gabe and I were actual friends… We weren’t the kind of friends who were never really friends.