Sorry to hear you're overwhelmed. Things do come crashing down at times. But on the positive side, you keep learning how to stand up better and stronger each time.
When push comes to shove, stuff IS stuff. I struggled to learn that. And what is most important in life is often intangible, like the love of your children, being the best dad you can be, becoming the man you're meant to be, having your health. Most things that are taken for granted.