Though he’s perhaps best known for his work in the U.K., Simon Amstell's U.S. fan base is growing quickly, and with good reason. The comedian offers a dark and self-deprecating mix of personal anecdotes, failings, and philosophical discussion that are at once relatable and shamelessly funny. We chatted with him at home in London as he was preparing to hop across the pond; see him at the Wilbur Theatre on April 19.