Even the average man will shorten his life span like a Cro-Magnon.
So, like Ailes, I roughly calculated my life span and number of days I might have left, considering family history.
MSNBC has been a liberal pushback channel only for five years or so, or less than half the life span of the 24-7 cycle.
life span n.
The average or maximum length of time an organism, a material, or an object can be expected to survive or last.