Do you think she is going to leave or just thinking about it?
If you cool your jets for a while do you think she may stay in the home?
What kind of emotional environment will she need to stay and you need to function?
Stabilizing the family unit right now seems to be a good first step. The kids and you two deserve it. It is hard to stand on a rolling deck in a storm, turn you ship into the wind and head for a safe harbor Captain.
