Ask any mother or father and they'll tell you it's close to impossible to imagine life without their kids.
Many will tell you that still, to this day, they can't believe they created such an incredible little person.
It's obvious that the love a parent feels for their child is hard to put into words. But that's not to say parenthood is without its challenges.
For young parents, especially, being in charge of a small human even before they've been on this earth for a quarter of a century is deserving of some kind of prize. Sure, our parents and grandparents probably procreated much younger too, but for the vast majority of us, the pitter-pattering of tiny feet doesn't enter our minds until much later.
Here, HuffPost Australia spoke to those parents that began their family 25 and under.