Suicide

[Brakeman]

As far as the explaination your looking for it can be found in the Fact that Christ set his deity aside to be man. Everything He did Peter attributed to the Holy Spirit, in acts 10:38

Oh, so jesus put his god magic in a genie bottle did he? A god who puts his godness on a hook while he pretends to be a man is too small to be of consequence. He is simply a god before the three days and back a god after three days while some human body he created is killed. And what is time to a timeless entity that exists outside of time? Hogwash! What a stupid story!
Pain is a signal from the body to the brain and is meaningless to a god brain that can withstand infinite suffering. A man is just a animal, and if jesus put took off all of his god qualities then he is simply a man feeling pain, nothing that doesn't happen every second of every day on this earth and nothing that a little Novocain can't fix. Jesus wasn't the first man to be crucified nor was he the last. Suffocation by crucifixion is a mild end as far as the pain scale goes.
It wouldn't have been jesus the human that made the sacrifice anyway, it would have been jesus the god that decided to hang up his magic wand and cloak for a few days, and as I've said earlier, a god cannot make a sacrifice when he is all powerful as a gift cannot be separated to show a loss in the original infinite set. Jesus could have made billions and billions of human bodies for himself and had them killed off in every imaginable way, but it would not leave him with anything less than he would always have. The nerve signals to the human brains would still be no sacrifice for a god.