a single person Produce Enough Saliva in his Life to Fill Two Olympic Swimming Pools

do you know a single person Produce Enough Saliva in his whole Life to Fill Two Olympic Swimming Pools ,did you notice when ever you feel hungry and you mouth fill up with salivating, but do you know how much saliva per person produce in his life ,that saliva can be used to fill two Olympic-size swimming pools!

a person can produce anything between 0.75 and 1.5 litres of saliva per day