>>16900365It took me three hours to even notice your post. This isn't a terribly active board.
Many kinds of parasite (Cordyceps, Toxoplasma) change the behavior of the host, in essence mind-controlling them.
There are all kinds of hideous things in the ocean. Read up on the Bobbitt Worm.
More of Earth's species are extinct than are currently existing.
In 300 years nobody will remember that you even existed; your tombstone will have weathered to illegibility and your grandchildren will be dead.
There could very well be multiple ghosts in your room, watching you invisibly.