This is quite a worrying turn of events and I'd really appreciate some insight/views. To give some background, DH grew up with a v authoritarian father who did slap, expected perfect behaviour, parents' emotions prioritised etc. and has found the tough side of parenting tough, has been to counselling re anger and 80℅ of time is calm but other times is moody/critical/angry - a mix of these say. Tends to take normal children's behaviour personally.
Lately I notice the 2dc, also v well behaved 80℅ of time, wind him up and delight in annoying him.. I don't like it but I see dh is either v cross or permissive... It's hard to witness and obviously I step in and remind them of behaviour or simply distract them. He doesn't want to hear my view/advice and sees them completely wrong rather than my MO which is what can I do to change things . I've not heard of this before but it feels v off for some reason so said I would post for some views.