The Holy Spirit wants us to rely on him for everything , he wants us to confess our sins so that we can grow in him more 

Reference

+2 Samuel 12:13 Then David said to Nathan, "I have sinned against the LORD." "The LORD has taken away your sin," Nathan replied. "You will not die.

+Ezra 10:11 Now, therefore, make a confession to the LORD, the God of your fathers, and do His will. Separate yourselves from the people of the land and from your foreign wives."

+Job 31:33 if I have covered my transgressions like Adam by hiding my guilt in my heart,

Further reading

Genesis 12
Hebrew 10
Number 2