I find "weeks of life" the most familiar repeating pattern. Take a moment to realize there are "only" about 1000 weeks in 20 years. Now think about your weekl

I find "weeks of life" the most familiar repeating pattern. Take a moment to realize there are "only" about 1000 weeks in 20 years. Now think about your weekly patterns and start counting down. Bonus depression for the morning, your chance of cancer doubles every decade.