Harvie is shown nude a few times, his butt and penis visible.

One scene Harvie has sex with a woman. Not shown just narrated.

harvie's parents die, and his wife. Harvie get shocked by lightning, one of genitals gets cancer, and he gets punched.

Lots of smoking.

Harvie uses prozac and morphine to get rid of his misery.

It's sad and disturbing because bad stuff happens to harvie. He witnesses many unsettling things towards the end of the short related to growing old and slowly drifting into insanity.