Context: Apparently he 's home from the rehabilitation center and grumping around the house with his usual vigor . Did you know that ? I did n't . I stopped on the way home to visit Grandma and he came out from the kitchen . That 's how I found out . Everyone seemed in good spirits .
Question: Why was he grumping around the house with his usual vigor ?
Option 0: he was having a psychotic break again
Option 1: he could n't believe it was me
Option 2: he recovered fast and well from since his time in the rehabilitation center
Option 3: None of the above choices .
Answer: 2