An older couple wake up in the morning and the husband looks over at the woman and says, 'Wow! You wouldn't believe the dream I had...' And the woman replied, 'Yes, go on tell me.' So the husband told her. 'I had a dream that you left me after 20 years of being married.' So the wife says, 'Oh, it sounds more like a nightmare.'
The husband says, 'No, I am sure it was a dream'.