I reckon that unbeknown to him, Mrs Moses was asking for directions secretly and, when appropriate, she pointed him in the right way to go.
Being a woman, she allowed him to take all the credit for getting there at last.
Moral of the story:
Never rely on what you think you know. Always consider the possibility that you may be wrong. (Especially if your wife tells you so).
Another moral of the story:
How often do we do as God tells us?
