How is a theologian formed? Through obedient suffering according to God's will.
Law Love: You try but inevitably fail to love God and your neighbor (repentance).
Gospel Love: God's love for sinful/ unlovable man (redemption). God's selflessness in giving his son and in his son's giving himself for your salvation. Faith in this salvation comes first. From that follows good works done out of gratitude for this salvation.