What's interesting of course is that such relationships don't seem to have any greater chance of ending in divorce than people who marry for love.

有趣的是,这中婚姻似乎,离婚的可能还小一些,相比那些为爱走进婚姻殿堂的。

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"I think many cases will be people going through a second divorce, and they don't want the experience to be as horrific as the first time, " she said.

BBC: Opening the doors on divorce

Men who don't are at a much greater risk of divorce: Their wives can support themselves if necessary, and the husbands will lose a good deal of their household income if the breadwinning wife leaves.

WSJ: Why Settle for a Princeton Man? The Marriage Market