Visited a friend in a town of 5000 for a month. A week or two in, I was running into people I "knew". Personally, I put the sweet spot around 15k, in a town a

Visited a friend in a town of 5000 for a month. A week or two in, I was running into people I "knew". Personally, I put the sweet spot around 15k, in a town an hour away from a city with a real airport.