At a party of professionals, a doctor was having difficulty socializing. Everyone wanted to describe their symptoms, and get an opinion about diagnosis. The doctor turned to a lawyer acquaintance, and asked, "How do you handle people who want advice outside of the office?"

"Simple," answered the lawyer, "I send them a bill. That stops it."

The next day, the doctor, still feeling a bit reserved about what he had just finished doing, opened his mailbox to send the bills; there sat a bill from the lawyer.