[–] chintappingretard ago
You are wrong :
Wikipedia has this exact sentence : "Based on Early Neolithic data, total life expectancy at 15 would be 28–33 years"
https://en.wikipedia.org/wiki/Life_expectancy
So if you lived to age 15, then 50% of the time you would die before age 33.
[–] xenoPsychologist ago
you didnt forget something, did you?