"I know you've been married to the same woman for 69 years. That is marvelous. It must be very inexpensive"

Johnny Carson's quote is a funny way of revealing appreciation for a long-lasting marital relationship. He is implying that the couple has been able to remain together for so long since they have actually not had to invest much money on their relationship. He is likewise suggesting that the couple has been able to preserve a strong bond throughout the years without having to invest a great deal of cash on luxurious gifts or pricey getaways. The quote is a lighthearted method of expressing admiration for the couple's dedication to each other and their capability to remain together for so long. It is a suggestion that relationships can be sustained without having to invest a lot of money.