This old man takes his wife to…

This old man takes his wife to the doctor. After the examination, the doctor takes the man aside and says, “I’ve got some bad news for you. Your wife either has AIDS or Alzheimer’s Disease, but I can’t tell which.””That’s terrible,” says the man, “what should we do?””Well,” replies the doctor, “I’ll give you a thirty minute head start before I send her home. And if she makes it, don’t fuck her!!!”