A couple had adopted a baby boy after trying to have a baby for five years. To their surprise, a short time after the adoption, the mother discovered she was pregnant, and she later gave birth to a boy. One day when the two boys were eight and nine years old, a neighbor came to visit. observing the children at play, the neighbor asked, "Which boy is yours?" "Both of them," the mother replied. The neighbor persisted. "But I mean, which one is the adopted one?" her finest hour, the mother replied, "I’ve forgotten."