There shouldn't be any glassware on the table after dinner, except port glasses - which those who do not wish to drink alcohol may have substituted by a glass of water. - BEagle
Now, now, BEagle - You must make allowance for those from Services with longer traditions, such as drinking Madeira rather than port, and with a knowledge of Scottish history and the custom of drinking a toast - in port or Madeira rather than water - to a presumptive king.
Talking of traditions, or indeed habits, I still shudder when I recall seeing an officer in a lighter shade of blue eating potato crisps in a wardroom mess - out of a packet.......
Jack