I can understand the panic. My situation is not the same but I am getting toward the edge also -
http://forums.psychcentral.com/showthread.php?t=248452
That's my thread... rather than repeating everything. But the main thing is I get the same thing - advice instead of real help. I think people think advice IS actually real help.
If you'd like to just vent about your situation feel free to PM me. Oh yeah and I don't have any kids but I have a cat & a rabbit and I worry more about them than myself - after all they are my responsibility. I know I will survive somehow.