人们往往可以理解一段婚姻为什么会失败，因为失败的婚姻确实很多；但说清楚一段婚姻为什么能成功却要困难得多。虽然每个选择婚姻的人都想好好过日子，但为何有些夫妻能相濡以沫，而有些夫妻却过得鸡犬不宁？
婚姻的不幸各有原因，而幸福的婚姻却有其共同的秘诀。让我们来看看几对快乐的老年夫妻与我们分享的心得体会。
For Ozzy and Sharon Osbourne, it's perseverance. For Jimmy and Rosalynn Carter, it's maintaining separate work lives. For Doyle and Louise Brunson, having separate bank accounts helps.
A former first lady, a rock star who's been in and out of rehab more times than he can remember, and a professional poker player can all offer considerable insight into the mysterious workings of marriage. After all, their wisdom is gleaned from decades of conjugal bliss
