surgeon went to check on his patient (female) after an operation.

"You'll be fine," he said.  

She asked ...

“How long will it be before I am able to have a normal sex life again doctor?"  

The surgeon seemed to pause, and a small tear ran down his cheek from the corner of his eye, which alarmed the girl.

"What's the matter Doctor?  I will be all right, won't I?"

He replied ...

“Yes, you'll be fine. It's just that no one has ever asked me that after having their tonsils taken out."