Aqwsed, again I truly appreciate your posts especially the kind like the last one where you move away from the 'technicalities' per se and relate your understanding to the practical part of faith.
To encounter this Jesus is to be drawn, even if imperfectly, into the mystery of God as He truly is: not a solitary being, but the eternal communion of love, which the names “Father,” “Son,” and “Spirit” try to express.
This embracing of the concept of the eternal communion of love (completely spiritual concept) by definition (meaning spiritual) allows each soul to interpret it as best they can according to their own comprehension. Even amongst Trinitarians there seems to be differences in explanations. Why? Because as you stated, it's not a puzzle to decipher. How does one define love, a purely spiritual concept? There are seemingly endless ways to define it. All can be categorized as correct.
As St. John says, “this is eternal life: to know you, the only true God, and Jesus Christ whom you have sent” (John 17:3). If Christ is not truly God, then the Christian hope would be in vain.
I disagree here. As I asked Seabreeze, how does not calling Jesus God negate everything he did for mankind? There is only one Son of God after all. Any soul that has faith, which itself as you said is already a heavenly gift, that Jesus died for our sins automatically elevates the Son. Calling him the Son and only the Son is not diminishing him in any way from a human perspective.
What it teaches is that God, in Christ and through the Spirit, reveals Himself as Triune, and invites us to accept His self-revelation with humble faith, trusting that He knows the weakness and limitation of every heart. The measure is not perfect comprehension, but loving trust and the willingness to receive the God who comes to meet us—Father, Son, and Holy Spirit—who desires to share His own life with us forever.
I do indeed understand this a bit better and also indeed feel a stronger bond of love with God as a result. And you are correct, as the Catholic faith asserts, it is difficult to explain why this is.