It is better to find a capable wife, and the next sentence should be like this: Yes, finding a capable wife is a blessing. The last sentence, it is better to find a capable wife, which is an affirmative sentence, indicating that the interlocutor's thinking is affirmative. So the next sentence, you declare first, the answer is yes. Then answer your own approval, indicating that you agree with him and you are blessed to find a capable wife. This kind of answer can let the interlocutor know that you agree with his point of view and will increase the goodwill of the dialogue.