Context: That was the first thing I wondered when I realized that he was n\'t joking . " He gazed at Goku again . " I suppose I \'ll level with you ; we all know that Sanzo has not been himself lately . "
Question: What do we know about Sanzo ?
Option 0: People are concerned about him .
Option 1: He is the same as always .
Option 2: He is joking .
Option 3: He is their friend .
Answer: 0