PORN MOVIE

My friend asked me a question,and I didn't really know what to answer her,and I didn't wanted ask my husband because I don't want he to be involve in my friend personal life...
​She cut he husband watching some porn movie and she freak out, she don't like it at all, and she fight big time with him...she got really up set about it,  then she asked me if it normal and if she act crazy for no reason, well I personal don't like porn movie and my husband don't like it either, so I never really tought about it if was me how I would act... I don't know what to tell her...  Anyone there ever being on situation like that?
​What should I say to her??