I think of it more as a testament of David's character and honor that evenAs usual, I am not real certain what you are saying. However I will say that the phrase "nevertheless he would not drink thereof;"......
because, say they who take these words in a spiritual sense, it was not this water, but spiritual water, he desired:, however is that actually the case------ as we can see but reason is given in 2 Samuel 23:17..............
2 Samuel 23:17 ..........
"Far be it from me, LORD, to do this!" he said. "Is it not the blood of men who went at the risk of their lives?" And David would not drink it. Such were the exploits of the three mighty warriors."
"but poured it out unto the Lord...... as a libation (OFFERING) to Him, it being rather blood than water, being fetched at the hazard of men's lives, and therefore more fit to be offered as a sacrifice to God than to be drank by him; and this he might do in thankfulness to God for preserving the lives of the men. Dr. Joel Gersom, Hebrew Scholar, thinks it was now the feast of tabernacles, which was the feast of ingathering the fruits of the earth, when great quantities of water were drawn and poured out at the altar, which was done to obtain the blessing of the former rain
Also see and read Source: Dr. J. Gill on John 7:37 and Dr. Albert Barnes on John 7:38.
as king he wouldn't partake of his desires at the expense of shedding
blood. Even though he did with Bathsheba. David was a man of honor
and was a friend of God. If there is a parable in this I would say he could
not drink of 'that cup' because it was too much for him to consume.
What do you think?