Proverbs 1:7 reminds us that the fear of the Lord is the beginning of knowledge. When we understand, as you pointed out, that this fear is above all the holy dread of grieving God's heart, reverence ceases to be abstract and becomes relational: it is not merely doctrine, but love that respects and does not want to hurt the Father. This attitude grounds our pursuit of wisdom, because whoever fears God puts His feelings before their own preferences and pride.
Despising wisdom and discipline is, ultimately, despising the Lord's care and refusing the correction that protects and shapes. The foolish who reject instruction show a heart that does not care about hurting the One who loved us before we were worthy; therefore they fall into paths that promise immediate pleasure and bring ruin. Recognizing the fear of God as the zeal not to grieve Him helps us identify the subtle ways of resistance: tolerance of sin, rationalizations, aversion to discipline, and closing off to godly counsel.
In pastoral practice this translates into concrete habits: cultivating a daily examination of conscience that asks "Would this grieve the heart of God?", humbly receiving correction from brothers and leaders, seeking the Word with an attitude of obedience, and praying for sensitivity to the Spirit. When discipline arrives, do not avoid it; allow it to work for your formation. Learn to respond to conviction with confession and change, seeing each adjustment not as loss but as a victory on the path of wisdom.
If today you realize that you have hurt the Father's loving heart, there is hope: the fear that leads us to wisdom also leads us to repentance and restoration. God does not only want us to fear His authority, but to draw near to His heart, healed by the grace of Christ. Rise up, confess, open yourself to instruction and allow God's wisdom to shape your choices — God will guide you in knowledge and peace.