He will sometimes watch movies with explicit sexual content, although you don't see any of this.

He will sometimes describe what he is seeing on screen, and sometimes it can be graphic.

He has watched many extremely violent movies, and will usually describe particularly graphic scenes.

He uses quite a bit of R-rated profanity (fuck, shit) etc...

He has described scenes in movies involving drug use a couple times.

Some of the descriptions of scenes he finds disturbing might disturb some viewers.