My Dad Turned Out to Be a Farming Expert

The Tang emperor Taizong asks, “Xinxin, can you tell Grandpa why your watermelons taste better than everyone else's?” Gu Xinxin replies, “Because my daddy grew them.” Emperor Taizong asks again, “If your father is a farmer, why does he live in a prince's residence?” Gu Xinxin huffs. “Because my daddy is a farming expert. He's even richer than the emperor!”