A doctor from a mental asylum, visits a patient at his home who was cured by him some times back and notices that the patient is seated by the side of a well and goes on saying six..six...six...six

The doctor was surprised by this and gets closer to him and ask him "hi how are you doing now. Are you ok?"

Suddenly, the patient turns on to the doctor and pushes him in to the well and goes on saying "seven.. seven.. seven..seven..."