i normally don't comment i'm learning to use KYMS in the written form too. to be real it harder  to keep my mouth shut, but i im praticing.to add to the conversation al was having i thougth of inception the movies and the word understand. those two words alone cause me to do more research taking me to the means or middle this topic. an after all of this i determined for me that the more infomation that i add to my hard drive of a brain every so often new infomation comes along an i update the old infomation so there is a consant add on to the e--volution of info. this process keeps me cautious about what i say i know verse what i know.