There are many benefits to having a large family. Such as: people with few children will stop giving their unsolicited advice, assuming I must know at least as much about how to deal with a child as they do. This is not always true (because our oldest is only 10, so that's as far up as my experience goes) - but I am glad nonetheless that I don't have to listen to wrong advice all the time.
Advice, such as: if you hold that baby all day, he will get spoiled.
For starters, I don't think a young baby can be spoiled. Yes, they might prefer being held over being laid down, but that's pretty much default programming from the womb, and babies have to be taught otherwise. There is a time for that - but not for newborns.
Stephen has spent almost his entire life outside the womb in my arms, or sleeping by my side at night. He is spoiling me much more than I am spoiling him. As I am typing this, he is asleep high up on my chest, with my cheek brushing up against his peachy face and taking in that wonderful baby smell. He will grow out of this stage much too soon, and be too busy running around to even stop to hug me.
Besides all that, never again in his life will it be so easy to make Stephen happy. As he grows older, the demands on him, and his problems and trials in life, will only become more, and more serious. As a grown man, he will spend his every day working hard, getting injured in the process, struggling to provide for his own family, and deal with a host of problems I won't be able to help him with. But I can hold him now, and make his every day happy and blissful.
But if a man live many years, and rejoice in them all; yet let him remember the days of darkness; for they shall be many. All that cometh is vanity. - Ecclesiastes 11:8