Petri, wow this is a tough situation. First of all you were right to play it cool when your XW expressed regrets about the D. You certainly don't want to roll out the red carpet at the first sign of regret. Second, there's not a lot you can do for your XW because she doesn't want your help. If the suicide threats continue then I would first contact your L to work on a strategy to get full custody of the kids, and second (if your L approves) contact a suicide hotline for advice. You can't personally help her but maybe you can be the means to her getting help.
We did have a person that posted here years ago, he and his XW got divorced and he didn't talk to her much but said whenever he did that she was off the rails. Then one day he popped in to say she had committed suicide and that was the last he posted here. Ever since then I take it very seriously whenever someone says their WAS has mentioned suicide. It's not always an empty threat or cry for attention, sometimes they have fallen into deep depression.
