Is it true that having many sons is a blessing?

From the traditional point of view of human beings, the phrase "many sons are blessings" is correct, more sons, the future will be very happy in old age, but at the same time you also have the burden of worrying about a lot of things, from the point of view of nature, your genes can be very good down the continuation of this is for every living thing on the earth to be a happy thing. In short, when you enjoy a thing, you also have to bear an obligation, there is no absolute good, and will not be absolutely bad, but in your case, I still think that the benefits outweigh the disadvantages