can romance novels and dirty movies be considered forms of adultery?
With books and movies, you’re not having contact with another person at all. So, I don’t think you could file that under the “adultery” label. You’d have a hard time filing for divorce on those grounds if that’s all that your spouse did. BUT…if someone has become addicted to porn or romance novels to the point where it interferes with the couple’s relationship and/or sex life, I can understand where a spouse might be troubled. That said, it’s still not adultery.