Study: Long working hours are good for marriage

“The optimal work arrangement appears to be where the man works a 41- to 49-hour week,” Professor Wooden told the Australian newspaper. “Beyond this, the risk of separation does rise, but it is still lower than for couples where the male works a 35- to 40-hour work week.”…

Professor Wooden said income played a part in the chances of divorce, with the probability of separation falling the higher the income level of the male.