Detailed Instructions: In this task, you're given a context passage. Your job is to generate relevant questions that can be answered by directly referring to the passage.
Q: Exhaustion clearly on his face making her heart twitch in empathy . " You want to take a break ? " Unable to look into the other's eyes because it took too much effort and she was fully exhausted . " No .
A:
What may have caused her heart to twitch in empathy ?