Given the task definition and input, reply with output. 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.

It's my first time ever . I have lost my virginity ... to consciousness . I fainted today after getting blood drawn from my arm . I watched the nurse put the air - like tubes in the backside of the needle and was questioning her about it . She told me the tubes worked as a vacuum and sucked in the blood .
Why did the writer faint ?