Read the following context and choose the best option to answer the question.
Context: I just do n't know if I want to do it before or after lunch . I feel I could go either way ... but they might tell me to go eat lunch ... but I feel I 'll be too lazy to eat lunch and then go back to donate blood . Soo ... let 's hope it works .
Question: Why may they tell him to go eat lunch ?
Options: 
- They may want him to go back to donate blood .
 - He may pass out if he does n't .
 - They may think that he do n't know if he wants to do it
 - None of the above choices .


He may pass out if he does n't .