About the Christian wine-drinking...

The Christians say "they drink the blood of Christ" once a week. I know this isn't literal, but isn't this a little bit of cannibalism, if not attempted cannibalism?

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Catholics believe it is literal, transubstantiation. It literally becomes the blood of Christ.

Many water it down (no pun intended) to say "he makes it look like blood", but Catholics should actually believe it literally.