1) No where in the Bible does it talk about people being able to "have a life" aka have a bunch of fun in life. To the contrary, life is to be lived in service to God and others. To not have children because you "want to have a life" is such a selfish reason!
2) There are many Bible passages that talk about "being fruitful and multiplying" (Genesis 1:28) and "children being a reward from God" (Psalm 127:3) etc.
3)People today are having a lot less children than in the past and some countries are worried about extinction b/c their inhabitants won't have children.
4) It's not his business (or anyone else's) how many children a family has. That is between God and the family.
But, I didn't say anything. Maybe I should have. Would you have?
I'm sure there is more to say about this, but those were the thoughts that came to mind.