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Hugh Hefner has found his "soul mate".
The 81-year-old Playboy magazine founder has revealed the best times of his life are spent with 27-year-old girlfriend
Holly Madison .
Hugh - who also has two other live-in girlfriends, Bridget Marquardt, 33, and
Kendra Wilkinson, 22 - said: "The best time of all is in bed with Holly. Our relationship has become more and more serious, so she is the one that sleeps with me. It's as close as I have come to a soul mate."
While Hugh, who is also famed for throwing star-studded parties at the Playboy mansion, is happy with Holly he isn't planning to marry the blonde model.
He said: "I doubt I will get married again. I'm not happy about what I see happening in relationships when you get married. Though I suspect Holly is the one I'll spend the rest of my life with."
Bridget recently revealed Holly wants to have a baby with Hugh.
She said: "Holly does want to have Hef's babies, but I think she wants to wait until we're done shooting our TV show 'Girls Next Door' and Kendra and I aren't there anymore. She wants to have a normal environment to bring up children."
Hugh's first wife was Mildred Williams, who he wed in 1949. The couple, who divorced in 1959, have two children, Christie and David Paul.
In 1989, Hugh married Kimberley Conrad - that year's Playboy Playmate. They separated in 1998. They had twin sons.