it's a common place occurrence nowadays, sadly some men feel inferior to their financially independent wives (a mindset inherited from their progenitors that promotes 'it's a man' s world' balderdash) so in order to feel cool, they will go on cheating sprees with ladies that are on much more lower pedestal socially and financially than their wives. The lady in the story should keep her head up high, take care of her kid and wait, the man will surely come back to her...