Welcome to Taming the muse.
My first thought? He's well rid *g* But then I thought some more and saw the way he almost deliberately wound her up. Eh, family can cause more problems between couples than anything else, can't it?
I liked the way the argument escalated so violently, it felt very real.
So now I'm hoping they manage a reconciliation and a chance to talk rationally, away from the poisoned influence of outsiders. This has potential to develop further. Any plans?