Context: His tester was in the trailer earlier and that was hours ago . Lord knows the last time he tested . " Nick , I hate to be a worry wart , but have you tested your blood sugar ? " He smiled . He knew that I was concerned .

Question: Why would he need to test his blood sugar ?
Options:
0. Because I 'm a worry wart .
1. Because Lord knows the last time he tested .
2. None of the above choices .
3. Because his tester was in the trailer .
Answer: 2