I would wager you've never heard that because most people understand intuitively that good looks get you further than a good sense of humor, all else being equal.
You're being downvoted because Hacker News really isn't the place to tell rambling, vaguely related anecdotes just for fun. Try Reddit for that. Otherwise, welcome!
Care to actually back up this claim with some numbers? As someone who buys reliable used cars (Hondas), maintains them himself, and owns them for 10+ years at a time this doesn't seem to be true.
For just the depreciation cost of a new vehicle one could purchase every home auto repair tool they would likely need for a very long time.