Just wanted to say to OP I am so pleased your DH has decided to stop smacking.
yeahsure I can't remember if the smacking came up during therapy. Thing is I can't distance myself from stepdad as my relationship with my mum is close think I go for dinner once a week, sometimes twice at weekends, pop round to see her etc. always been close. The worrying thing is, I can't remember now, if when I did get smacked if it was mum or stepdad, mum says she didn't smack me but I think she did, once or twice but rare. From her, it's a bit more acceptable? From him it was downright cruel and he was very sarcastic and nasty. Everyone who knows him thinks he is fine, lovely, he used to be known as antisocial and a bit strange after a few drinks (rants about Ireland) but now he's everyone's friend.
The therapy would help but I'm left with why the fuck did my mum let it happen. Then again you could argue why did my mum stay with an alcoholic. Strangely when I was out with her the other weekend we talked about my dad (alcoholic) and the fact he had never been violent. I said "ah but yes, he slapped you round the face didn't he" - this was after they'd been to hospital with my baby brother 10 months old almost walking, dad had been throwing baby up in air missed as he was drunk, dropped brother and brother had broken leg). She filed for divorce after that. I feel disgusted now writing that. That my own mother could put up with it, be subjected to it. Then turns a blind eye to my stepdad who drank and raged often jumping up and down like a madman in a rage. Yet this was always got over, he said he wouldn't do it again yet he did. No wonder I lost it and had a go at him when I was 30. One time my stepdad (I think I was a teenager) lost it and cried and apologised for what he'd done when younger. In fact when I was a teenager up to 30 he was a proper "dad" to me. Hugs, spoiled etc. yet when I called him on lies (he said to his family in Ireland we are in UK) that he'd bought our house, my mum had with her own money and had paid mortgage off early, nothing to do with him then his mum had a go at my mum about that, my mum sponging off my stepdad and he was so good taking on 2 kids) so I called him on that. And he refused to speak to me until recently. About a year ago, even now it's only very very small talk and civil.
The smacking in a way I can forgive to a certain degree but it's the cruel behaviour, locking us in a room, mocking me got wondering why mum wasn't coming back. I had severe abandonment issues like I said due to dad leaving, cried like mad at playgroup and infant school, was inconsolable and no wonder! What sane person locks a child in a room or mocks them like that?? My brother and I during or after one of his rants would hug and say "it will be ok".
Yeah maybe a short spell of counselling would lay ghosts to rest.
I do want to say though, I don't hate my stepdad or dislike him, I just wonder why. But he was Irish so maybe small village, backwards mentality (as another poster said) - I know his dad (who was lovely) worked away a lot and his mum had to cope with 4 boys alone.