It can skew your sense of what women enjoy in bed.
Are you surprised your girlfriend hasn't suggested a foursome lately, or asked to be walked around on a dog leash?
Porn is capable of instilling as many outlandish ideas as it does disturbing ones. It can suggest that women enjoy being disrespected, used, even raped. The people starring in porn often become body-shaped tools that plunge things in and out of each other—don't mistake that for regular human sex.