AMEN to that. We all sin, and do it over and over sometimes, despite repentance. But to try to justify it seems to me to be akin to that blasphemy against the Holy Spirit that you've heard about.
“But to try to justify it...”
Agreed.
When someone’s spirit is not-so-willing AND the flesh is weak, it’s time to shake the dust off and move on.
Some, as Paul pointed out, need to go to the Devil before possibly eventually coming home. To hit Rock-less bottom so to speak.
We can plant seeds. We can’t force them to grow.