Wife: I think my husband has alzheimer's.
Doc: Is he forgetting names?
Wife: No
Doc: Is he getting lost in familiar environments?
Wife: No
Doc: Is he forgetting to turn off the TV or stove?
Wife: No
Doc: Then why do you think he has alzheimer's?
Wife: Every day he goes to r/jokes.
Doc: Is this a new occurrence?
Wife: No, but he is laughing at the jokes.