An 80 year old man goes in to see the doctor. Doctor says, "What is the problem?"
Old man says, "Well, it's my wife. Our sex life has gone down hill drastically."
The doctor replies, "How long have you been married?"
Old man, "30 years next month."
Doctor, "When did you first start noticing this?"
Old man, "Well, first last night, and then again this morning."