The What is ONE, the Who is Three. Once you understand this, things start to make a little more sense.
For instance, it might not be accurate to say that Jehovah bled on Calvary Hill while he hung on a tree. But it would be accurate to say that God bled on Calvary Hill while he hung on a tree.
The New World Translation changes a scripture in Acts 20:28 to obscure this.
feed the church of God, which he hath purchased with his own blood. - KJV
shepherd the church of God which He purchased with His own blood - NASB
Be shepherds of the church of God, which he bought with his own blood - NIV
shepherd the congregation of God, which he purchased with the blood of his own [Son] - NWT