That's nice. Unfortunately, KoLmafia did not add it to my inventory.You open up the jar and look into the patient's eyes.
You acquire an item: jar of psychoses (Jick)
I believe it excludes player profiles from having results, so that we don't get fooled by people putting bogus "You acquire an item" messages on their profiles. However, the following URL just might yield a result:
showplayer.php?who=1&action=jung&whichperson=jick