And as to how or why, we really don't know.
4 seconds sound clip from the The Exorcist movie soundboard.
You can hear this line at 00:34:48 in the Blu-ray version of the movie.
Quote context
[...]
- A stimulant? My God, she's higher than a kite now.
- Her condition isn't quite what it seems.
- And as to how or why, we really don't know.
- But... her symptoms could be overreaction to depression.
- My daughter isn't depressed.
- Well, you mentioned her father and the separation.
- Do you think I should take her to a psychiatrist?
[...]