i think he didn't feel very well because he wanted to gain all his property.
But he had to agree because that's his uncle's last wish.
But in the end, he failed to keep his promise.
At first Mr Henry Dashwood was bitterly disappointed, because he had wanted the fortune more for his wife and daughters than for himself. But he soon realized that if he was careful with money in the next few years, he could save enough to provide generously for his family.