I think the real reason for my improvement is because I had such a long period in the off-season just working as hard as I could on all my new dives; making sure I did lots of repetition to get them consistent.
For me, it always has to be about health. That's why I'm a vegan. Well, I don't even do that for my health entirely, I do it for animals.
It becomes a giant's task to compute the result when the effect of cross seas, wind at all angles and ever varying force, arched surfaces, head resistance, ratio of weight to area, and the intelligence of the guiding power crop up.