Satan convinced Eve to partake of the Fruit of The Tree of Knowledge of Good and Evil. Then when Eve went to Adam he must have loved her so much that he didn’t want her to have to live in sin alone, so he also ate of the fruit, thus disobeying God. Then, So they would not eat of the Tree of Life and live in Sin forever, God sent them out of the Garden of Eden. God promised Adam he would send someone to deliver man out of their sin and pay the dept.