Yasuo shield clarity issue

Can we make it look like every other shield in the game? As in a grey portion of extra health? So the shield would appear only when he gains max flow, and remains there until he takes the pop triggering damage, and after the 1 second it disappears (if it wasn't completely depleted by the damage taken over the 1 second) until he gains max flow again. This would make it much more clear his true health at any given time, so you can just eyeball it instead of having to estimate how big his shield is based on his level.

Is there a reason why it isn't like this?

Edit:

Okay I think it should still appear before it gets triggered as maybe a different color like perhaps completely white like his flow. Then turns grey once triggered.