A little old lady goes to the doctor and...
A little old lady goes to the doctor and says, "Doctor I have this problem with gas, but it really doesnt bother me too much. They never smell and are always silent. As a matter of fact, Ive farted at least 20 times since Ive been here in your office. You didnt know I was farting because they didn't smell and are silent."

The doctor says, "I see. Take these pills and come back to see me next week."

The next week the lady goes back, "Doctor," she says, "I dont know what the heck you gave me, but now my farts...although still silent they stink terribly."

"Good", the doctor said, "Now that weve cleared up your sinuses, let's work on your hearing."

Billing
A doctor and a lawyer were talking at a party.

Their conversation was constantly interrupted by people describing their ailments and asking the doctor for free medical advice.

After an hour of this, the exasperated doctor asked the lawyer, "What do you do to stop people from asking you for legal advice when you're out of the office?"

"I give it to them," replied the lawyer, "and then I send them a bill."

The doctor was shocked, but agreed to give it a try.

The next day, still feeling slightly guilty, the doctor prepared the bills.

When he went to place them in his mailbox, he found a bill from the lawyer.