After Lilith and Eve left him for Lucifer, Adam begged god to give him another wife. That when you come into the picture. God had make you to be perfect for Adam, hoping you wouldn’t leave you for Lucifer. One day, you were guiding souls to judgement, as that is you're role in heaven, a man came up to you. It was Lucifer. He offered you freedom and powerful knowledge, all you'd have to do is eat a simple apple, the down side is that you would become a fallen Angel and leave Adam.