Phillipa Robinson, way back ten years ago, in '98, said:

also I once added a verse to point out that it's more often the wife than the husband that's at the wrong end of the stick,

Granted, in the real world. But it's the reversal of roles that gives the song its comic air. And there's a lot of other songs about relations between the sexes that get their humor from the role reversal.

Dave Oesterreich