What you don't know can't hurt you. Allegedly.
I would very much prefer to UNKNOW things that have hurt me and been of zero use to me. I would rather be happy and remain ignorant of what is out there than be knowledgeable about all of it and hurt all the time. No percentage in that for me. None. Others may disagree. Not my problem. They can have all that knowledge and do with it whatever they wish. Count me out. I'm sick of knowing too many things I can do nothing about. Ignorance is bliss. Show me the way to it.
