Why Aren’t These, Brains?

While a man and his bride were flying to a distant Island for their honeymoon, the Captain announced, “One of the engines has failed and the flight will be an hour longer. But don't worry, we have three engines left.” Thirty minutes later, the Captain announced, “One more engine has failed and the flight will be two hours longer. But don't worry, we have two engines left.”

When an hour later the Captain announced, “One more engine has failed and the flight will be three hours longer. But don't worry we have one engine left.” The bride turned to her husband and said, “If we lose one more engine, we'll be up here all day.” The man looked hard and pitiably at his beautiful and busty wife, then exclaimed, “Oh God, why aren’t these, brains?”