This tips into the territory of mental illness when you do things like compulsively over-wash your hands or paws, or you develop a ritual that's so extreme that you can't sit down to a bowl of food unless you engage in that ritual.
O duševnoj bolesti možemo govoriti onda kada, primjerice kompulzivno pretjerujemo u pranju  ruku ili šapa ili kad razvijete toliko ekstreman ritual da ne možete sjesti i jesti ukoliko prije toga ne odradite taj svoj  ritual.