If he does not believe he has sinned, then his heart is beyond any human reach. But praise the Lord! God can still reach him with His preserved word.
Hebrews 4:12
For the word of God is quick, and powerful, and sharper than any twoedged sword, piercing even to the dividing asunder of soul and spirit, and of the joints and marrow, and is a discerner of the thoughts and intents of the heart
Perhaps God will provide a way for the kid to sit down and really get into His word.
God does not want sodomites to burn in hell either, so much so He sent His only begotten Son to die for them on a cross. Remember hell was not prepared for any human regardless of who they are:
Matthew 5:41
Then shall he say also unto them on the left hand, Depart from me, ye cursed, into everlasting fire, prepared for the devil and his angels:
But unless one turns to Biblical Christianity that is where they end up, but God does not want them there.
That’s the thing.
Miracles have touched my life. I know God is real. And I know that hell is as real as Heaven.
The thought of people suffering in hell forever — horrifying.
So based on your interpretation, the way people are raised in the US right now is sending most of them to hell, the culture they are exposed to.
It’s like a lottery.