Thank you, everyone who has responded.
CovertOps, I found what you wrote really brought me back to feeling stronger. It all fits. Thank you for taking the time to deconstruct the behaviours. It's so easy to get lost in it when it's all around you.
hissy, attilla: I have extremely strong boundaries with my mother. I spent an awful long time in therapy dealing with her and her legacy; she is borderline and is by far the more difficult of the two (they're long divorced, by the way). That took some doing, as you can imagine.
I now face the issue of my father. I know what to do. But I'm sometimes overwhelmed by the sheer amount of blood, sweat and tears it takes to get proper boundaries in place. I resent the hell out of being the person who has to deal with it, when it's not my personality disorder.
The best bit is, he's a therapist. Yes. I know. Imagine how easy that makes dealing with him.
Yes, two days is too much. Next time I need to put limits on it. This is another one of his things, like arriving early. He can invite himself for four days at a time, easily. I always forget how awful the last time was, and then when it happens again I think 'Never, never again.' We had him for Christmas once. That's not happening again.
CovertOps, you are absolutely right about the jealousy over positive relationships etc. My brother thinks Dad's got worse as we've grown up. Now we're adults he finds it more and more hard to feel superior to us, so he deals with his feelings of inadequacy by belittling us. I get it worse because I'm female. He has an atrocious attitude to women.
The family dynamic is that I was the golden child (firstborn, high achiever, coped by trying to be good), and my brother coped by resisting, rebelling and refusing to engage. My dad identifies me (in fact, often merges me) with my mum, whom he loathes, so I get criticised for being 'like her' a lot. On the other hand, my brother was the apple of his eye as a child. My childhood contained a fair amount of my dad revenging himself on my mum by putting me down.
My DH knows exactly how awful my dad is and is very supportive. My brother thinks I should 'chill out' because Dad's behaviour is 'funny'. He knows it's bad behaviour, but he claims to just let it wash over him. It doesn't help much because it does make me feel like I'm being precious.
I was thinking about going to see 'August: Osage County'. I shall give it a look 