Biblical Context:
The narrative of Jacob noticing Laban's attitude change is found in the Book of Genesis, specifically in Genesis 31. This event occurs during Jacob's extended stay with his uncle Laban in Paddan-aram, where he had fled to escape the wrath of his brother Esau. Jacob had served Laban for many years, initially for the hand of Laban's daughter Rachel, and subsequently for livestock and wealth.

Scriptural Account:
In Genesis 31:1-2 , it is recorded: "Now Jacob heard the words of Laban’s sons, saying, 'Jacob has taken away all that belonged to our father and has built all this wealth at our father’s expense.' And Jacob saw from the countenance of Laban that his attitude toward him had changed."

Analysis:
Jacob's realization of Laban's changing attitude marks a pivotal moment in his life. This change is precipitated by the growing wealth and prosperity Jacob had acquired, which Laban's sons perceived as being at their father's expense. The tension between Jacob and Laban had been building over time, exacerbated by Laban's repeated deception and manipulation, such as the substitution of Leah for Rachel on Jacob's wedding night (Genesis 29:23-25) and the constant renegotiation of Jacob's wages (Genesis 31:7).

Theological Implications:
From a theological perspective, this episode highlights themes of divine providence and faithfulness. Despite Laban's attempts to exploit Jacob, God remained faithful to His promise to bless Jacob. In Genesis 31:3 , the Lord instructs Jacob, "Return to the land of your fathers and to your kindred, and I will be with you." This divine directive underscores God's ongoing guidance and protection over Jacob's life, ensuring the fulfillment of His covenant promises.

Jacob's Response:
In response to the changing dynamics, Jacob decides to leave Laban's household. He gathers his family and possessions and departs secretly, as described in Genesis 31:17-21. Jacob's decision to leave is not merely a reaction to Laban's hostility but also an act of obedience to God's command. This departure signifies a turning point, as Jacob moves closer to fulfilling his destiny as the patriarch of the Israelite nation.

Historical and Cultural Context:
In the ancient Near Eastern context, family and kinship ties were paramount. Jacob's decision to leave Laban's household was significant, as it involved severing ties with his maternal family and returning to his paternal lineage. The cultural norms of the time would have made such a departure fraught with potential conflict, as evidenced by Laban's pursuit of Jacob (Genesis 31:22-24).

Moral and Ethical Considerations:
The narrative also raises moral and ethical questions regarding honesty, integrity, and familial relationships. Laban's repeated deceit contrasts with Jacob's growing understanding of God's faithfulness. This episode serves as a reminder of the importance of trust and integrity in relationships, as well as the necessity of relying on divine guidance in times of uncertainty.

Conclusion:
The account of Jacob noticing Laban's attitude change is a rich narrative that illustrates the complexities of human relationships and the overarching sovereignty of God. It serves as a testament to God's unwavering commitment to His promises and His ability to work through challenging circumstances to bring about His divine purposes.