pain...there's not a single LBS that has been on here that hasn't felt terrified, afraid, etc. it is a normal feeling when our lives are going through lots of change and we feel like we've lost control of what our lives were.
from the quote you made...she is on her own roller coaster too. that's a good thing for your sitch. Also it says "neither should you use them to make final decisions" so you DO NOT now need to say when enough is enough. You have TIME. You do not have to do anything now really than take care of and work on yourself. And crazily enough just doing that is the best thing you can do for yourself in this situation.
it's said around here at the LBS has more power than they know and it's never really over until they decide it is. find ways that work for you to balance your feelings. you really don't have to do anything but take care of yourself and your children right now.