Context: He was n't even on his plane and I was already missing him , it hurt so much . I did n't hear anything from him for two weeks afterward . Well , I did , but a voice mail saying " I ' m alright ; I made it .

Question: why did he have to leave ?
Options:
0. None of the above choices .
1. because I did nt hear anything from him
2. because he is alright
3. because he had to go back to work
Answer: 3