Husband & Sex

I am annoyed with my husband. Everytime he has sex he stops after he thinks I have gotten off. But then wants to eat me out in order to finish. I am not a fan of this bc his beard/mustache hurt me. Then he gets pissed bc I don't enjoy that. Nor do I want that to be the only way he can finish (most of the time). Idk what to do, I have tried talking to him about it. However, he thinks I should just be ok with that. Not to mention how long it takes for him to finish :/