Unstable.

James 1:6-8
But he must ask in faith, without doubting, because he who doubts is like a wave of the sea, blown and tossed by the wind. . . .

2 Peter 2:14
Their eyes are full of adultery; their desire for sin is never satisfied; they seduce the unstable. They are accursed children with hearts trained in greed.

2 Peter 3:16
He writes this way in all his letters, speaking in them about such matters. Some parts of his letters are hard to understand, which ignorant and unstable people distort, as they do the rest of the Scriptures, to their own destruction.

thou shall not excel.

Genesis 46:8
Now these are the names of the sons of Israel (Jacob and his descendants) who went to Egypt: Reuben, Jacob's firstborn.

Numbers 32:1-42
Now the Reubenites and Gadites, who had very large herds and flocks, surveyed the lands of Jazer and Gilead, and they saw that the region was suitable for livestock. . . .

Deuteronomy 33:6
Let Reuben live and not die, nor his men be few."

because.

Genesis 35:22
While Israel was living in that region, Reuben went in and slept with his father's concubine Bilhah, and Israel heard about it. Jacob had twelve sons:

Deuteronomy 5:21
You shall not covet your neighbor's wife. You shall not covet your neighbor's house or field, or his manservant or maidservant, or his ox or donkey, or anything that belongs to your neighbor."

Deuteronomy 27:20
Cursed is he who sleeps with his father's wife, for he has violated his father's marriage bed.' And let all the people say, 'Amen!'

1 Chronicles 5:1
These were the sons of Reuben the firstborn of Israel. Though he was the firstborn, his birthright was given to the sons of Joseph son of Israel, because Reuben defiled his father's bed. So he is not reckoned according to birthright.

1 Corinthians 5:1
It is actually reported that there is sexual immorality among you, and of a kind that is intolerable even among pagans: A man has his father's wife.

he went up to my couch.