I always found it incredible. There never seemed any rationale behind who could tell them apart or when. It is only an issue when it suits the plot. Sometimes l am not sure whether to be impressed with AF's willingness to distort reality or annoyed. There are a lot of other things that puzzle me: selfassured Patrick being shy, 18 year old Karen being such an expert on everything, Rowan and Janice Scott being so worldly wise, but perhaps above all Patrick being allowed to take an o level a day late having been alone all day. How did his father manage to swing that? The special treatment for an mp's son is a scandal. Sorry to ramble