Greetings, and Praised be Jesus Christ!
The truth is, you do have all the gifts of the Holy Spirit Himself within your deepest center… There, in the deepest point of your being, is the “holy of holies” within you and the Presence of the Most High dwells therein.
To put it plainly, most of your life has been one lived and moved and conducted according to your “ego” (or false “self”) and not according to who you are in Christ (as we are all guilty). We habitually did things opposed to God and His Will and became accustomed to it. However, this desire you now have “burning” within you is the inspiration of God in you to “hunger and thirst for righteousness.” You have a clear desire to never “make any decision [that you] will regret ever again.” This comes not of yourself, but of God… from the Holy Spirit within. If this desire becomes purified into more of a “I desire not to ever sin again because God is so beautiful, loving, and good…” you do well.
This holy yearning you have is leading you toward a much more fuller life in Him and, consequently, the Wisdom of God. However, as I briefly mentioned above, your life needs to be re-oriented and re-structured according to God’s Being… and become habit day in and day out. Your cooperation is absolutely necessary. Don’t beat yourself up too much, however, as there is a need to be more receptive and quiet in order to “listen” to God’s direction within you. All Good comes from God; even your cooperation with Him is a grace from Him. However, it ought to be a consolation knowing that this holy desire you appear to have is very pleasing to God.
As someone has stated above “Fear of God” is the “beginning of Wisdom” (Proverbs 9:10). This is the guide for you toward a fuller participation in the Wisdom and Providence of God. Fear of God being a reverence and esteem for God and, thus, you will then find more understanding in the obedience to his commands, precepts, ordinances, and decrees.
I encourage you to increase your prayer life and the reception of Confession and Communion. Even if you’re not in Mortal Sin, still goto Confession habitually to confess disordered desires, thoughts and movements of your soul. Humility and trust in God is key. Goto Mass as often as you’re able. Seek a holy spiritual director as well; one will be of great benefit for you as it has been for all the Saints.
PS: seek to desire God Himself as He Is and not for anything He can give you…
Go in peace! Wisdom is being revealed to you.