No, it isn't dumb at all. At least I don't think so, and there are a lot of people out there who don't think do either. I don't think it's that weird to get attached to a car. Think of how many things you go through with a car, and how many things it gets you through (and to). It's a source of pride and it's like a bit of personal space you can take anywhere. And you entrust your life to it every time you get in it. I can relate, I've had my 87 since, well 87, and I've worked hard to restore it to the glory it had kind of lost through many miles as my dad's mechanically-but-not-aesthetically cared for daily driver.

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1987 300D, arctic white/palomino--314,000 miles
1978 240D 4-speed, Euro Delivery, light ivory/bamboo--370,000 miles
2005 Jeep Liberty CRD Limited, light khaki/slate--140,000 miles
2018 Chevy Cruze diesel, 6-speed manual, satin steel metallic/kalahari--19,000 miles
1982 Peugeot 505 diesel, 4-speed manual, blue/blue, 130,000 miles
1995 S320, black/parchment--34,000 miles (Dad's car)