Bill Johnson was busy at work when he received a call from his wife's doctor.

Dr. Smith: "Is this Bill Johnson, husband of Mary?"

Bill: "Yes it is, is there a problem?"

Dr. "Well, kind of. You see, I have been having a day from hell and saw 2 Mary Johnson's today and just got the test results. I can't recall which Mary is which."

Bill: "I don't understand, how does this affect me?"

Dr. "Well, one Mary has Alzheimer's Disease and the other has HIV"

Bill: "What should I do, Dr?"

Dr. "If your wife finds her way home, don't fvck her"