A drunk walked into a bar crying.One of the other man in the bar asked him what happened.

"I did a terrible a thing"sniffed the drunk."just a few hours ago I sold my to someone for a bottle of Southern Comfort." 

 "That is awful"said the other guy."And now that she is gone you want her back Right."

"Right"said the drunk,still crying.

 "You are sorry because you sold her because you realised too late that you still loved her."