why do people feel the need to buy expensive cable


I have tried expensive cables and one's moderately priced. I would say there were some differences but I can't actually say the expensive cables were better. IMHO I believe a lot of people buy expensive cables because they don't actual trust their ears and are afraid of making a mistake. They figure the expensive cables are better for the fact they cost more. If you have a difference of opinion or share the same thoughts, I would like to hear about it.
taters
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A rich man has about as much chance of entering audio Nirvana as a donkey has of passing through the eye of a needle. 

No mater what side of the fence your on with cables looks has something to do with it as well.

 why would I want some ugly lamp cord between your amps and speakers specially if you have substantial money invested.

regardless of how good something sounds if the component is homely to look at it will generally not stay long. Beauty is of course the eye of the beholder.  

 Likened to plain steel wheels on a Ferrari yeah they work but really don't look the part.  

Who gives a flying fig!  Buy what you want and enjoy.  Don’t be jealous if someone’s cables are bigger, longer and thicker than yours 😉