Since Guido is sincere...
Some Jews are Kosher. If you follow Kosher dietary laws, there are certain foods/meats you cannot eat, and certain foods that you cannot combine together.
One of the meats you cannot eat is pork.
I have a number of Jewish friends who are not Kosher, but still choose not to eat pork.
Animals that may not be eaten
Of the "beasts of the earth" (which basically refers to land mammals with the exception of swarming rodents), you may eat any animal that has cloven hooves and chews its cud. Lev. 11:3; Deut. 14:6. Any land mammal that does not have both of these qualities is forbidden. The Torah specifies that the camel, the rock badger, the hare and the pig are not kosher because each lacks one of these two qualifications. Sheep, cattle, goats, deer and bison are kosher.
Of the things that are in the waters, you may eat anything that has fins and scales. Lev. 11:9; Deut. 14:9. Thus, shellfish such as lobsters, oysters, shrimp, clams and crabs are all forbidden. Fish like tuna, carp, salmon and herring are all permitted. "
Info about Kosher Laws.