What Joshua had to learn here was; he’d have to pay more attention to his spiritual life than he did to the military campaign because once he was focused on God then God would take care of the battle.
Whose side is the Lord on? Joshua 5:13-15
I’ve found a list of the rules of life that were written from one man to his wife. I’m sure that some of the men here will find this enlightening while the women may want to find out if their husband agrees with any of them