How to eat pizza...
I think you forgot to add something about pizza! So let's talk about how you should eat it...
Nowadays everybody is concerned about good manners when they sit in a restaurant thinking this applies to pizza as well! Most of the people(including italians) use cattlering to cut pizza in small pieces like anything else.
Now for all of you a have a big revelation: you must eat it with your hands!
Pizza is a street food and you can appreciate fully only if you feel it as well.
So guys forget about fork and knife and just enjoy! :)