He apparently wants the words 'till death us do part' removed from the traditional wedding ceremony, with the marriage certificate reshaped along the lines of a dog licence and renewed annually. He says it's unrealistic in the 21st century to expect couples to stay together for life. Rod Stewart isn't alone, of course. There are many sceptics.
Cynicism is rampant and it's normal for someone who's been hurt to blame marriage.
But it's not that simple. Because entering into marriage isn't like owning a dog, where we're fined if he fouls the footpath or chases the neighbours chicken's. There, all the legal and moral responsibility belongs to the owner, and none to the dog. But marriage is an agreement between two equal partners who come together to make promises to each other as the basis for their love. And the marriage vows aren't something extraneous to the relationship, but define the very meaning of love.