Wow. I've only watched that one clip but it is a bit shocking, not so much the elbowing of her, but the way she instantly modifies her behaviour, in a kind of 'whoops sorry' way.
I recognise this from the 7 years I spent with my x toeing the line.
He obviously WEARS THE TROUSERS.
Whether there's abuse or not, he wears all the trousers. You see that on mumsnet a lot, where women don't think they're being abused but they're entire fucking sad life revolves around the convenience of ''D''H and his ego.