You think it's scary to hear it now....get really 'aware' of all the normal sounds (particularly those after ingesting healthy oils) - and then eat something heavy in trans-fat (by accident, lol)...
...my liver went DEAD SILENT after an order of cheez-balls one time. I thought I'd killed my liver! :(
It's simply AMAZING what we can learn with a teensy-tiny bit of detective work :)