1 - He never done anything like it before (or since) though he can be persistent about sex.
Persistent? Does he accept a No from you? What form does No have to take? Do you ever have sex without really wanting to apart from the night you described?
2 - He certainly didn't understand why I was so upset. He'd be mortified if he thought he'd assaulted me and he'd definitely think I was being ridiculous if I suggested it.
You suspect that your feelings do not matter as much as his self image. After what he did to you it is now your job to maintain his precious self image by carrying on as if nothing has happened.
3- I guess he thought I'd be less bothered as I'd had a drink. Together 8 years, always been clear it's a no go. He was actively trying for anal it was the spitting that sickened me the most I think.
You are a sex object to him, not a real three dimensional human, and he has no idea what a relationship with a real, feeling, sensing human requires.
to you. You have nothing to be ashamed of.
The fact that you feel completely humiliated and crushed shows what sort of a man he is.
Please contact a Rape Crisis Centre. It's not just to try to process the anal rape, but also to process the fact that your H went ahead and 'had normal sex' with a woman who was crying, who had not said 'yes' to the vaginal sex, and afterwards told you you were being dramatic and making a fuss when you cried.
Your H is arrogant, entitled and abusive. He has shown you who he is - and he is completely shameless. He realised 100% what he was doing. He thought you would not realise what he was doing because you were drunk. You said no 5 or 6 times, after telling him previously that there was no way you ever wanted anal sex. That is rape. So was the vaginal sex that followed that he went ahead with despite the fact that you were crying.
You are so unsure of yourself, embarrassed and apologetic. You see no options for you aside from struggling on with the relationship. He is abusing you and gaslighting you with his comments on 'being dramatic and making a fuss' and 'He didn't seem to realise I was upset, and he did apologise. We've just carried on as if nothing happened but i still don't quite feel right about it'. He is prepared to carry on as if nothing happened and has approached you for sex since the incident.
You are being silenced, ignored, and effectively told that this relationship exists for his benefit only.
You deserve so much more than this horrible man. Your H is a very cruel and aggressive abuser. Every time he shuts you down as you try to address what he did he is telling you that you are nothing but a collection of orifices to him. The rape is compounded by emotional and psychological abuse.
Everything has changed now. He has changed everything. The real nature of the relationship is laid bare.
Do not let him tell you otherwise.