BE the Church
Paul takes a pause in his argument for two reasons. First to explain the consequences of our decisions and secondly to appeal to the Galatians.
If the Apostle Peter needed to be reminded of who he was in Christ, it is easy to assume everyone needs the same reminder.
Without the gospel, we are like orphans without hope. With the gospel of grace, we have now been given the opportunity to be adopted into the family of God, through the death of His Son Jesus Christ.