Because I am already taking a 1/500 chance of death in the next year and I can't do anything about that, so when probabilities get small enough I stop caring.

Because I am already taking a 1/500 chance of death in the next year and I can't do anything about that, so when probabilities get small enough I stop caring. https://www.ssa.gov/oact/STATS/table4c6.html https://www.ssa.gov/oact/STATS/table4c6.html