I am sorry you are going through this. Don't have any real input but in a little differant words but My wife said basicly the same thing. They say while you live in the same house there is still a chance. this may be true but sometimes I do think the like you said.. going agisnt our instincts we need to let them figure this out on their own. So sometimes leaving I think does speed this process along. Let them live without us.
Take care Dr LOve
And if I claim to be a wise man, well It surely means that I don't know