Whether watching porno movies is dangerous for human mentality and his/her physics? could it cause him/her get addicted? what's your advise?

Porn movies: These movies focus on sexual acts, used for sexual excitement and release. Some watch these repetitively, compulsively, and daily -- yes it's possible to become addicted. They also misrepresent authentic human relationships. If you expect real women or men to behave the way those in porn movies do, you'll end up disappointed. You could hold others and yourself to impossible standards.