When you keep a messy property with junk cars in the yard, trash everywhere, and all kinds of chaotic mess spilling out of your car port, you are not a civil person.
People who practice civility keep their properties clean so passersby do not have to look at their junk.
When your yard is junky, this signals to all that you are lazy and probably good-for-nothing.
Respectable people like clean neighborhoods, and they keep their properties clean and green.
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