It doesn't matter how many times people tell you that your life will totally change after having kids. It doesn't matter if you have seen your friends or relatives doing it. Most people think: 'It will be different for me!'. And... surprise... Having children totally changes your life. Fact. And the changes happen in the most unpredictable and unexpecting ways. You will not know how it will affect you, as an individual, and affect your relationship, as a couple, until you experience it for yourself.