In fact, parents don't have to say it, but they can. Why? Do you think it necessary to talk about it? Don't you know there is a saying in China that a mother-in-law is the biggest? You can talk to your uncle instead of your parents. If there are no other relatives, you can speak for your parents. In fact, what is just a blessing, and the blessings of others are the same. As long as you know that both parents are happy, you can. In the eyes of others, your parents must be happy, and it doesn't matter if you don't talk.