1. Snapping their fingers at a server.
2. Being loud and rowdy.
3. Letting their kids watch videos loudly on a phone.
4. Blowing their nose at the table.
5. Texting at the table.
6. Letting their kids play with silverware and condiments.
7. Putting their phone out on the table next to them.
8. Not leaving an appropriate tip.
9. Taking pictures of their food.
10. Asking for ketchup in a fancy restaurant.
Maybe it’s a better idea just to order take out.