Was Solomon fatally misled by his father' example, when King David married many wives and concubines?

Before addressing the biblical account of Solomon’s rise and fall this is what I found out about “Christian Psychology”:

Robert Roberts and P. J. Watson describe Christian psychology, in part, like this: “We wish to develop a psychology that accurately describes the psychological nature of human beings as understood according to historic Christianity” (“A Christian Psychology View,” Psychology & Christianity: Five Views 2nd ed., IVP Academic, 2010, p. 155).

Roberts and Watson argue, “A Christian empirical psychology can and should take its place as a worthy intellectual competitor to the secular psychologies (whether naturalistic, humanistic or postmodern) with their usually unacknowledged metaphysical assumptions about human nature and flourishing” (ibid., p. 165). The Christian psychology approach would begin with a biblical understanding of human nature as the normative factor in research and interpretation. The approach would also seek to develop new methodologies for empirical investigation that accurately measure distinctively Christian things. “The chief impetus behind the Christian psychology model is that we cannot, in faith, simply leave our psychological thinking to be done by non-Christians, or even to be done by Christians according to the canons and methods of the establishment psychologies” (ibid., p. 174). https://www.gotquestions.org/Christian-psychology.html

“The Christian psychology approach would begin with a biblical understanding of human nature as the normative factor in research and interpretation.” What does the Bible have to say about human nature? According to the Bible, the natural human condition is sinful and estranged from God. We are not born innately good or morally neutral. We are born sinners, and every person’s destiny is death and wrath because of it (Psalm 51:5; Romans 3:23; 6:23; John 3:16–18; Ephesians 2:1–5). We are enslaved by sin (John 8:34). We are morally ruined (Romans 7:18). We are dying physically and dead spiritually (1 Peter 1:24; Ephesians 2:1).

What do mortal men, intellectuals and psychologists, have to say about human nature? Jean-Jacques Rousseau theorized that man is naturally good but is corrupted by society. Others agree with Aristotle’s and John Locke’s notion that we are born an empty slate, that we are free to define the content of our character, and that outside forces shape us.

Do we listen to the Creator, or do we listen to created mortals? Let’s take a brief look at where Solomon went wrong:

Initially, Solomon loved God and walked in the statutes of David his father (1 Kings 3:3). Because God was pleased with Solomon he granted Solomon this request: “Give your servant therefore an understanding mind to govern your people, that I may discern between good and evil, for who is able to govern this, your great people?” (1 Kings 3:9) Not only did God grant this request He gave Solomon two other gifts – wealth and fame and a long life based upon the condition that Solomon would obey the Lord his God and keep His statutes and commandments, just as his father David had done (1 Kings 3:14).

The Bible record shows that Solomon strayed from the path of obedience and his decisions were in direct violation of God’s Law. Needless to say there were consequences. God had given clear instructions for anyone who would be king: no amassing of horses, no multiplying of wives, and no accumulating of silver and gold (Deuteronomy 17:14-20). These commands were designed to prevent the king from trusting in military might, following foreign gods, and relying on wealth instead of on God. Solomon knowingly broke all three of these divine prohibitions. Why? Because he was no longer fully devoted to the Lord his God (1 Kings 11:4).

In spite of Solomon deliberately disobeying God, God allowed Solomon to remain as King and to build His temple. Ultimately, Jesus Christ was born as a descendant of David (Matthew 1:1), providing a fulfilment of prophecy and proving that the divine will of God transcends even the sins of men – even those men who disobeyed God. Even sinners are used by God to fulfil His purposes. God knew how things would work out. God knew Solomon would succumb to human sin. God knew that in spite of Solomon’s sinful actions, the enemy would never succeed in preventing the birth of the Messiah, the Christ, the Son of Man, and the Son of God.

You ask what could have broken this "cycle of abuse" and put Solomon back on to a righteous trajectory? Solomon had everything he could possibly have needed to turn around, not least the Word of God and the God-given gift of wisdom. He was wiser than any other person around.

Could human counsellors have prevented Solomon’s downward spiral into sin? Think of Job’s “comforters” as an example of failure in that respect. God KNEW what the outcome would be but he allowed David and Solomon to make mistakes. When people stop listening to God and start listening to mere mortals, there is no cure.

God allowed Solomon to go his own way, but that did not prevent the will of God from resulting in the incarnation and the success of God’s eternal plan of salvation. God is Sovereign but allows us to pursue our own sinful desires. No human, however well-intentioned, can prevent the will of God – and that is what matters.