Prick a Lannister, does he not bleed? Tickle a Lannister, does he not laugh? Catch a Lannister having sex with his sister, will your 10-year-old son not be thrown off a tower? Much as we like blond-on-blond lustespecially where walking eye-candy Headey and Coster-Waldau are concernedtheir murderous issue, King Joffrey, is the final, definitive answer to why incest is very, very wrong.
Image Credit: HBO
''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'')