Notice that when someone in Scripture sinned, they were told to STOP SINNING, or they dropped dead. They were NOT told to think differently as in to stop thinking it was a sin. No, STOP SINNING. Not , ever, stop thinking it is sin.
Stop sinning means revert to doing what you know in your heart , is the right thing to do is any particular circumstance. Only God can see ones motives.
James 4:17
So whoever knows the right thing to do and fails to do it, for him, it is sin.
Luke 16:15
So He said to them, "You are the ones who justify yourselves before men, but God knows your hearts. For what is prized among men is detestable before God.
Acts 1:24
And they prayed, "Lord, You know everyone's heart. Show us which of these two You have chosen
1 Kings 8:39
be heard by You from heaven, Your dwelling place. And may You forgive and act, and repay each man according to all his ways, since You know his heart--for You alone know the hearts of all men--
2 Chronicles 6:30
be heard by You from heaven, Your dwelling place. And may You forgive and repay each man according to all his ways, since You know his heart--for You alone know the hearts of men
Proverbs 15:11
Sheol and Abaddon lie open before the LORD--how much more the hearts of men!
Jeremiah 11:20
But, O LORD of Hosts, who judges righteously, who tests the heart and mind, let me see Your vengeance upon them, for I have committed my cause to You.
Jeremiah 17:10
I, the LORD, search the heart; I test the mind to reward a man according to his way, by what his deeds deserve.