"Well, what is it" he asks?
"It's a bit embarrassing," she replies, "These two green circles have appeared on the inside of my thighs".
The doctor examines her and finally admits he has no idea what the cause is. Then he suddenly asks, "Have you been having an affair with a Harley rider lately"?
The woman blushes and says, "Well, actually I have".
"That's the problem!" the doctor says, "Tell him his earrings aren't made of real gold......"