. according to historical records,
Jesus sacrificed his warm blood on a Friday .
. as early as the first century,
People have written of fasting on Friday
to commemorate this sacrifice .
. Technically, what's off limits on Friday
is the flesh of warm-blooded animals
explains Prof. Michael Foley, author of
Why Do Catholics Eat Fish On Friday?
. Fish and reptiles are coldblooded,
so Christians can eat them on Friday
even when they can't eat mammal meat .
4: web.relig/christian/meatless means less of warm-blooded: