Context: " Yes , " was the weary reply . " When did you start having it ? " Sanzo chewed on his lip and scowled into his arm . " Right after that fucking battle . "

Question: What might have happened in the battle Sanzo mentioned ?
Options:
0. Sanzo may have had a very difficult time in the battle
1. Sanzo may have had a very good battle .
2. None of the above choices .
3. Sanzo may have had a satisfying time in the battle .
Answer: 0