Parenting. That's what's next. Little noise-making poop machines running around sucking up all your time and resources. Forever. If you have five kids you're literally putting in a century's worth of man hours raising them, and at least two of them will probably grow up to hate you anyway. Parenting. That's what's next.
Here's Drew Magary rehashing his parenting class, which, if you pay attention, will hopefully ensure that only 2 of the 5 hate you, and not all of them. So read up.