In Proverbs 7:23, the young man does not know adultery will cost his life — the same fatal consequence behind the groan and wasted flesh here.

Proverbs 23:32 uses the same phrase 'at the last' to describe delayed bitter consequences of sin, just as Proverbs 5:11 warns of mourning when flesh is consumed.

Numbers 5:27 describes an unfaithful wife's belly swelling and thigh rotting — a direct parallel of physical decay as judgment for sexual sin.

1 Corinthians 5:5 explicitly says 'destruction of the flesh' for a sexually immoral man — a strong parallel to the body being consumed in Proverbs.

In Hebrews 13:4, God will judge the sexually immoral — adding divine judgment to the physical decay and regret pictured here.

Job 20:11 says 'his bones are full of the sin of his youth' — a direct parallel to the body being consumed by the consequences of immorality.

Job 33:21 describes flesh consumed away and bones sticking out — a vivid parallel to the physical wasting warned in Proverbs.

In Romans 6:21, the end of shameful things is death — directly reinforcing the final groaning and consumption described here.