it was explained in #34
We are rightly Trinitarian in what we understand.
WE cannot assume we know all there is about a complex God
.God has shown Himself to us as three,,, That is all we know. We do not need to presume more about Heaven or God than we have been told.
Jesus was only a Son, once he was became a human . Otherwise, He was GOD, Triune , as far as we have been told. We cannot assume to know more. We have to rely on scripture which you know is limited in this area. We designate God who became man as Son, He called Himself Son of Man. not Son of God( except maybe in Rev. one time from John's vision).
Incarnate Sonship is correct as this verse says
Heb 1:5¶
For unto which of the angels said he at any time, Thou art my Son,
this day have I begotten thee? And again, I will be to him a Father, and he shall be to me a Son?
Before was Jesus a Son to the Father? not according to this verse