That's the sixty-four thousand dollar question

Nurse Lundt:

[little cup with pills]
Here, take these. Kristen:
No...! Nurse Lundt:
[sternly]
It's not a request. Kristen:
[frowns, takes the cardboard cup]
What are they? Dr. Stringer:
Something to help you get better. Kristen:
[dips pills out onto floor, stomps on them]
You're right, I feel better already. Nurse Lundt:
[sternly]
You would do well to follow the rules around here, young lady. Dr. Stringer:
That will be all for now, Nurse Lundt. Nurse Lundt:
Yes, Doctor. [leaves] Kristen:
Why am I here? Dr. Stringer:
That's the sixty-four thousand dollar question