Hollywood badboy Christian Slater and his wife Ryan Haddon reportedly decided on a trial separation because he loves London, where he’s starring in a stage production of “One Flew Over the Cuckoo’s Nest,” and she doesn’t. But sources tell The ENQUIRER the real reason she took their two kids and flew back to the U.S. without him is that he’s cuckoo for lap dances! LOVES TO FLIRT “The truth is Christian loves to flirt with women ” especially strippers,” a source close to the couple told The ENQUIRER. “Ryan is incredibly jealous of any woman that Christian gives attention to – naked ones in particular. It’s an explosive combination. “Unfortunately, she has good reason to be jealous.” Slater and Haddon have been married since February 2000 and have two children – Jaden Christopher, 5, and Eliana Sophia, 3. But friends are amazed that the volatile, hard-partying couple have lasted this long. “Christian and Ryan have had a rocky marriage for several years,” a friend of the couple told The ENQUIRER. “They are both high-strung and let their emotions get the best of them. “They’ve tried to keep their marriage together. But they just couldn’t work things out.” Chief among their problems is Slater’s stripper obsession, sources believe. In August 2003, The ENQUIRER reported exclusively that Slater, Haddon, party girl actress Tara Reid and Ben Affleck went to a Vancouver strip club together. ODD REQUEST The party continued later that night at Slater’s rented house, where he asked stripper Tammy Morris to shave his back, said a source. The topless dancer was obliging the strange request when his wife walked in, freaked out and started yelling and screaming, said a source. In November 2003, Haddon was arrested for domestic violence on charges she smashed a glass against her husband’s head during a fight in their Las Vegas hotel room. Once again, sources said, she was upset because he had been at a local strip club. The charges were later dropped. Shortly afterward, Haddon checked into a rehab clinic and spent several weeks trying to get her SHE’S FLOWN THE NEST CHRISTIAN & RYAN at London’s West End opening of “One Flew Over the Cuckoo’s Nest.”