If he desired to know about automobiles, he would, without...

If he desired to know about automobiles, he would, without question, study diligently about automobiles. If his wife desired to be a gourmet cook, she'd certainly study the art of cooking, perhaps even attending a cooking class. Yet, it never seems as obvious to him that if he wants to live in love, he must spend at least as much time as the auto mechanic or the gourmet in studying love.