''True Blood'' is the latest to make a story line of family members getting too close for comfort. This plot device has been creeping us out for years to varying degrees; see our take, from not too disturbing (''Revenge'') to off the charts (''Chinatown'')
You know you're in love with your adopted sister when news of her marriage to a fussbudget psychotherapist (Bill Murray) results in your televised meltdown at a tennis match. The only consolation? Sailing 'round the world on an ocean liner and listening to Nick Drake and Nico on repeat.
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