The reason religion is so powerful

[John 6IX Breezy]

An organism that feeds  off [emphasis added] the host as it  grows and develops

Feeding off is an inaccurate description of the exchange of nutrients that occurs in the placenta.

By the way, he said exists like a parasite not that it literally was one.

Parasites are defined by their function and behavior—to exist like a parasite is to be a parasite.