Originally Posted by mineistaken

I will try real quick:

Holiday town, 100.000 local people - 50.000 men, 50.000 women.

100 men and 100 women tourists come to that town.

10 of those 100 tourist men has sex with some of those 50.000 town women (or women tourists)
5 of those 100 tourist women has sex with some of those 50.000 town men (or men tourists)


Is that really hard to comprehend?