A wife's competence at work was once cited as a reason for her husband wanting a divorce.
Ms Wong Kai Yun, co-managing partner at Chia Wong LLP, recalls the case, noting that the man felt excluded as his wife excelled at handling everything.
He felt that he had little decision-making power.
The wife's problem was not that her husband was earning less but rather, he was so insecure about her doing well that he constantly checked up on her.
"He became possessive and obsessive," she says.
He would become upset when she had to do things for work, such as entertain.
As the saying goes, behind every successful man is a woman.
But turn the tables and shifting a couple's main earning power to the woman can be devastating to a marriage or relationship, says a panel of divorce lawyers, counsellors, psychiatrists and psychologists The New Paper on Sunday approached last week.
The experts say that they have anecdotally seen more cases where men feel insecure over their wives "wearing the pants".
From seeing two cases a year to three in a single month now, psychologist Richard Lim, who has been counselling couples for 20 years, says: "Most of the time, (the men) don't state outright it is because they feel less adequate.