Shortly after his birth , Apollo discovered this and set out to destroy Pythia .
Because Hera did not like Zeus 's mistresses , she commanded Pythia to follow Leto whenever she was in the sun , so that she would never have any rest during the pregnancy .
Shortly after Zeus ' birth , Apollo discovered this and set out to destroy Pythia .
Because Hera did not like Zeus 's mistresses , she commanded Pythia to follow Leto whenever she was in the sun , so that she would never have any rest during the pregnancy .