Only observers "in" time - sensing linear time, an arrow of time - would have a sense of a difference between the before and after Christ's being enfleshed.
God's Name is I AM.
Time is part of the creation, not a property of the Creator.
Thus, Jesus is the Lamb slain from the foundation of the world (Rev 13:8) - and He is always the Lamb of God and the Lion of the Tribe of Judah (Revelation 5). Likewise, we are chosen from the foundation of the world - just like Moses, Abraham, David, etc.
Jesus said unto them, Verily, verily, I say unto you, Before Abraham was, I am. - John 8:58
As soon then as he had said unto them, I am [he], they went backward, and fell to the ground. - John 18:6
To have been a fly on the wall.. LoL...
Spiritual pratfalls...