It's easier to catch the wind or hold olive oil in your hand than to stop a nagging wife.
Mary took a very expensive bottle of perfume and poured it on Jesus' feet. She wiped them with her hair, and the sweet smell of the perfume filled the house.
The steady dripping of rain and the nagging of a wife are one and the same.
Just as iron sharpens iron, friends sharpen the minds of each other.