Do some research on how divorce harms children and families and print that up...

It's easy to say "fine" but its a lot harder when there's a pile of research in front of you proving you are being an a$$...

Especially if he hears from his eldest son and daughter that they both feel misrable about his threatening to abaondon the family

And ya I am expressing it as abandon and family, not move into an apartment which is likley the way he would spin it