Sin creates estrangement from God, causing us to fail in everything we attempt. Sin always produces separation; it never heals, but causes death.
For His Own reasons, God has chosen not to reveal His plan to those the world considers wise, but, instead, to work with the weaker sort of mankind.
Lust begets a guilty conscience, agitation, anxiety, depression, grief, torment. Wrong desire leads to lying, adultery, and murder—eventually leading to death.
The New Covenant, wherein God writes His law on the heart and gives His Spirit, empowers God's people to obey without the need for external control.