Ratios. When you're in a suburb, a stranger directly outside your house for any amount of time is far less likely to be a friendly just going about their day,

Ratios. When you're in a suburb, a stranger directly outside your house for any amount of time is far less likely to be a friendly just going about their day, like it would be in a small town or in a city. Learned reactions. Ugly overreactions, often. But, learned.