Chapter 375: The Wealthy Merchant Who Spoiled His Concubine and Neglected His Wife 55 The two were still going back and forth, politely declining. The Old Duke could tell at once that this was his daughter-in-law's dowry. It was hard enough to find a daughter-in-law so sensible and well-mannered, who always looked out for his son. He could never take advantage of her; dipping into a daughter-in-law's dowry was simply out of the question. So the Old Duke spoke up. "Enough. Xinyan, business at…