He knows you don't want anal but he tried his luck twice. A decent, respectful man wouldn't do that. Think about it. Would you or I pressurise a partner into an act they disliked? The answer tells you: he's being abusive. I'd tell him if he tried it again he could fuck right off.
The easy free availability of what would previously been considered extreme porn is having very damaging effects on what men expect from their partners.
I remembered an article in the British Medical Journal I saw here some time ago about the major health implications of heterosex anal sex. I searched "bmj anal sex women" and got several results. Here's one,: bmjopen.bmj.com/content/4/8/e004996.short?g=w_open_current_tab
Doctors report their great concern at the serious anal and rectal injuries that have been becoming more common as young women consent to rough anal penetration. Their partners have learnt from porn that brutal anal sex is something they expect during sex.
Check out the medical articles if you want some information to scare your loutish partner. Tell him anal sex can cause permanent injuries, and that he's a moron for using porn as a pattern for love making with his real life partner.
Gay men get pleasure from anal sex because it stimulates the prostate gland internally. But as women don't have a prostate there's not the same erotic payoff. Some women enjoy it but nowhere as many as some men would like.
I was young in the 70s and 80s. I was very sexually adventurous and had many partners. Anal sex just didn't feature, at all, back then. Instead men prided themselves on how expertly they performed cunnilingus.
All we need now is a time machine. Oh, and happy New Year!
(Sorry this is so long and rambling. Typing while watching the fireworks).