but where you err is the fact that you think it means you will never fall short of the glory of God again i
Try not to confuses status with state.
In other words, how you feel or what you think, at any time, has no effect on the Redemption that is found "in Christ".
Here is the Reality.
the Born again are "in Christ". And there is no sin found there.
Jesus, has become for the born again, their "one time Eternal sacrifice for sin".
= "The Gift of Salvation" and "The Gift of Righteousness".