Either He was truthful or a Liar.
If He was truthful, then volumes can be discerned from the report of His death on the Cross.
God is revealed to us in 3 persons,....one God,...3 persons. This isn’t too difficult to grasp.
Jesus Christ manifest to all humanity how we are to have fellowship with God. He remained obedient to God the Father, through faith in what He provided in His Plan, and exercised power through God the Holy Spirit.
The very same is available to us today in the Church Age.
One will never understand it until they exercise a smigeon more faith than no faith whatsoever in what Christ provided in His Judgment at the Cross.
His quoted “My God, My God, Why have you forsaken me?”, manifests His death on thee Cross. Death as a state of existence involving separation occurred when all the sins of mankind were imputed upon Jesus Christ on the Cross and Judged.
The penalty of sin is death and He remaining physically alive, while manifesting a spiritual death, bears testimony that He paid the price for our redemption.
Then there’s Satan. One God in four. Do I hear five?...
Three-in-one makes no sense and is pagan. Look up the Council of Nicea and the Council of Constantinople. It is a man-made idea and runs contrary to everything G-d said about Himself.
The trinity is difficult to understand because it defies logic and is impossible.
G-d never became a human.He made that very clear. THAT is not too difficult to grasp. I can prove this by quoting verses if you’d like.
So when j-sus allegedly died on the cross he and G-d were separated? Is that how it works,because it makes ZERO sense.