Love in Ancient Greece

This is structure of the essay needs to have:
Introduction
What did love mean in ancient Greece?
– How did Greek Gods influence love.
– Who was the god responsible for that task.
– What were the positive and negative consequences of Eros’ doing.
– How did people stop believing that gods influenced love.
How did science influence our understanding of love
– How do we fall in love? (Scientifically speaking)
– Who made that discovery (and how)?
– Do different types of love require different chemical reactions?