She put him in a state of insanity which caused him to kill his wife and children. After he had realized what he did, he went to an oracle and asked him what he should do. The oracle told him to go to King Mycenae and do whatever he said. That is what brought upon the twelve labors. Mythology was introduced by the Greeks long ago.
Myths are stories attempting to explain a natural phenomenon using gods or goddesses.
The stories usually use some, but little, truth to answer the facts of life. Cupid is the Roman god name and Eros is the Greek god name. His name has been made into, and is now the modern word Cupidy. Cupidy means strong desire which describes Cupid very well. Cupid is the son of the goddess Aphrodite or Venus.