Apart from instituting a taboo on the word "old", Lao Lai-tzu frequently dressed up as a child to entertain his parents. Clad in colorful costumes Lao brought broad smiles to the faces of his parents.
據說，老萊子經常在空閒時候，穿上古時小孩穿的五彩花衣裳，在雙親面前學小孩模樣，一邊唱歌、一邊跳舞，或拿起孩童嬉戲的鈴鼓作樂，常逗得父母哈哈大笑。