The couples who have loved the hardest, longest and most publicly over the last 50 years are revealed in probing, wide-ranging and provocative interviews that first appeared in Playboy magazine. From the tempestuous Roseanne Barr and Tom Arnold to the eternally devoted John Lennon and Yoko Ono to the comically intertwined Cheech Marin and Tommy Chong, these duos are the best evidence yet that two is always better than one. Coupling is part of the 50 Years of the Playboy Interview e-book series,