My wife and I have been married 50 years, and we've never had a single fight about money—here's our secret

My wife and I got married in 1968, and in the 50-plus years we've been together, we've never fought about money. There were deliberations, but never any fights. Not even once. I get asked all the time: "How do you do it?" The secret, I tell them, can be summed up in three words: It's our money.