There are many variables in human psychology, two which are fear and imagination, throw in drugs in to this formula and
your more than likely to create a psychological malfunction of sorts.
As one recent poster said he saw very strange and weird things occur when doing drugs and looking at the cover of the Truth book.
Interesting is it not that the old wording for any kind of alcoholic beverage was called spirits........ummm ? ( just a side note )
When a person is not healthy psychologically speaking, strange phenomenas will occur because comprehension is weak and out of focus.