Mixing your own cocktail sauce at the table
New Orleans restaurants know better than to serve a meager portion of underwhelming cocktail sauce with your seafood (especially raw oysters)... instead, you get to DIY with a selection of lemon wedges, hot sauce, horseradish, and Worcestershire. Everyone likes it a bit different -- Mom loves the lemons, Uncle Ernie digs Tabasco, but no horseradish -- so we prefer to do it ourselves.
Keeping shrimp boots available at all times
... even on a sunny summer day. Sure, it might be clear and bright now, but in just about three hours, the heavens are going to split open and dump a foot of rain on you for about an hour.
A distaste for cardinal directions
What the hell are north, south, east, and west? I’m sure you mean "Uptown, Downtown, Backatown, River-side, Lake-side," right?