An 80-year lifespan is 960 months or about 29,000 days long. Think of that, an entire life. If you are middle-aged and will live another 40 years that’s only 480 months or about 15,000 days. And for someone my age with a life expectancy of maybe 20 years, that’s 240 months or about 7,000 days. This is shockingly ...