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
" I anxiously await your results. I had no idea you were so handy. "

I'm no different from any other college educated "joe shmo". You too can buy an Intel 7 based laptop with 4gb of RAM, buy a decent calibrated mic for $300, some balanced cable, a good pro preamp and power amp with balanced I/O, and download Holm Impulse. You don't have to be a NASA rocket scientist. And you certainly don't have to "BELIEVE" or accept as gospel anything I have to say. That's the beauty of science - anybody can do it - even you. You don't have to go along with what any "high priest" of audiophiledom has to say.
Forgive Geoff...when faced with serious questions he answers either with a question or sarcasm.  One thing for sure...he will say something.  No offense; that is just the way he is, bless his heart.
So sayeth the man who never says anything unless it’s some stalking behavior thing.
Don't believe the naysayers, you do need good quality cable. Believe me its not cheap. For really high end systems you might even need to spend up to $10 a metre.