Found this on the Facebook page from the great Daithi Rua (who got it from Richard Thompson

Husband and Wife are Christmas Shopping at a busy shopping mall just before Christmas. The wife suddenly noticed that her husband was missing and as they had a lot to do, she called him on his phone.

The wife said ” Where are you, you know we have lots to do.”
He said “You remember the jewelers we went into about 10 years ago, and you fell in love with that diamond necklace? I couldn’t afford it at the time and I said that one day I would get it for you?”