Sorry x post from aibu to get further opinions.
Ex h insists on allowing D's to watch 12a films regardless of content and though I've discussed it with him he doesn't listen and seems to relish my reaction when I hear what the latest is. Actually I'm open minded and always judge films by reading up the BBC info or viewing myself. Also I don't think D's will copy stuff he sees or have nightmares necessarily but think adult themes are just that; they can confuse children and upset them even if it seems normal..
Latest inevitably is that ex has bought him COD but much worse asked him to keep it a secret. Tell me how do I reason and discuss this with someone unreasonable wwyd?