How do you follow a novel like Fleishman Is in Trouble? If Taffy Brodesser-Akner knew what people loved so much about her debut she would have replicated it, she says. The story of a newly divorced hepatologist discovering the joys of dating apps while trying to look after his two kids when his ex-wife goes missing on a yoga retreat, Fleishman Is in Trouble was one of the smartest, funniest novels of recent years. It was made into a hit TV series with a starry cast, for which Brodesser-Akner wrote the screenplay. But writing her second novel almost drove her...