Reverting to antique language, he set us free from sin; because as St. Paul wrote, if you do what you think is impure, it is impure for you. And at what a cost did he free us?
Carl Gustav Jung is the only person, whom I have come across, to suggest that God needs man, as much as man needs God. So if there is a Creator, everything points to His wanting the love of men and women; but His purpose in doing so, in this world at least, is likely to remain shrouded in mystery. How otherwise could man’s love remain disinterested?