Mrs. Yue did not understand what Yue Tingfeng meant by that. She simply thought, 'My son said it best, my son said it perfectly, my son is correct.'
She was a fiercely loyal person whose impression of someone would improve once she deemed that the person was a good person. Their flaws would cease to be flaws in her eyes, and the person would be regarded highly that no one could say a single bad thing about them.
An example would be how Mrs. Yue looked at Yue Tingfeng. Save for his looks and wealth, Mrs. Yue felt that there was not a single good point about him.
Nevertheless, Mrs. Yue was the only person who could criticize him. No one else was allowed to do the same, and if they did, they would invoke her anger.