No, I don't know that.
Jeremiah 17:9 The heart is deceitful above all things and beyond cure. Who can understand it?
More importantly, I take it you don't believe there will be people in hell either? I mean, come on, hardly "fair" by human standards is it?
I like that you didn't exactly answer the question though. I will try this again, in a more unavoidable manner.
If God and Man disagree over whether lust is moral/immoral, who is the one that is the ultimate standard... God, or man?