I would rather see the "average period of enjoyable living" life expectancy.   Canada is the worst in the OECD for degenerative disease rates, and this would pull down the "average period of enjoyable living" number, but not the "life expectancy" number.

I'm into seeing people who are alive enjoying their lives as much as possible.   Improving our approach to degenerative disease prevention and management would play a big role in that.