兒子在時樂滿堂,
兒子離家空留床。
床上單被無疊褶,
三月不回思段腸。
春季竟不回,
酷暑也不在。
瑞雪撒落時,
吾兒盡歸來.
Every parents would miss their children when they leave home for education in far away places; parents long for children's resturn, enjoy their company, and even occasional we-chat! This is what is called parenting.