If you reread what I wrote, charged gold is functionally different from uncharged gold, therefore it even though physically it is the same metal (gold) it is functionally different.
So yes, he is constantly tapping health, instead of burning it for his day-to-day use.
Again, this implies he is tapping instead of burning to heal his injury.
These series of quotes first state that he typically ignores the non-charged gold allomancy, then later says that burning non-charged gold help him.
It is interesting to note the effects of double gold compounding as applies to the law of diminishing returns as applied to feruchemical "flooding / funneling / over-tap" if his healing from 'critical' injuries is from tapping.