There are 3 great friends – an old wife, an old dog, and ready money. Ben Franklin
wife
Liberty
I must study politics and war that my sons may have liberty to study mathematics and philosophy. John Adams in a letter to his wife, dated 1780
Romance
Some people claim that marriage interferes with romance. There’s no doubt about it. Anytime you have a romance, your wife is bound to interfere. Groucho Marx