1. No oysters ever, if in a country where I don't know the word for oyster, find out PDQ. (Eaten twice, been ill for four days twice)
2. No oranges or parsnips ever, they are Satan's own fruit and vegetable.
3. Bacon only to be consumed in the UK & Ireland
4. Sausage only to be consumed at home (where I know the source) or in mainland Europe or if there is a handy bottle of brown sauce.
5. If the beer is so cold it frosts the glass, it's not worth drinking
6. Whatever wine the restaurant is pushing is well worth avoiding
7. If in mainland Europe, don't eat where there are too many people speaking English
8. If in mainland Europe, curry is usually a very bad idea.
9. Alcohol must be taken before consuming McDo's, kebabs or FEBO
10. If someone is barking for a place, it's not worth eating there
11. No dressing on salad (this can cause havoc in the USA)
12. If you don't know what it is, it won't hurt you
13. Fruit should be ripe, especially tomatoes
14. Marmite is the food of the Gods, but try explaining that to Customs sometimes
15. If you are a tea drinker, stick to drinking in countries which understand what tea is.
16. If you are going to eat an ethnic cuisine, pick one which is reasonably represented in that country/area