I have a friend who was explaining to us how he potty trained his new dog when it walked over and went on his shoe.
Fortunately, Luna is doing well on this front. However, at a recent dinner party, she ran into the dining room before the start of dinner to make her own contribution.
UPDATE: As I was posting this blog and praising my own well-trained dog, Luna proved me wrong right in front of me in the living room as if sensing a need for solidarity with the other puppy.