why do people procreate?

This article makes me never want to have a child. I feel like all I hear from people with babies is complaining. And when it's not complaints, it's pictures. I just don't get why people have children!!!! I DON'T GET IT. 

http://thoughtcatalog.com/stacey-becker/2014/06/12-things-nobody-ever-tells-new-moms/