Good luck. Many parents around just give up, because raising kids alone in our modern setup (no grandmas and parents more 40yo than 20) is nearly impossible, keeping mortgage next to it is brutal and mantaining any kind of health between it is really difficult.
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Well, I'm going to buy land and pay that off asap, the woman who will be the mother of my children will build the home while I acquire the resources needed to build the infrastructure. Then when the inevitable happens, children will have a cozy, kinda crazy life built in as healthy a physical, mental, and spiritual environment as possible.