I have conversations in my head.

I have conversations in my head all the time.  These could be conversations with myself, a friend, relative, the world.  The problem is that on a rare occassion when I actually begin a live conversation with someone it doesn't happen like the one in my head--and it makes me very angry.  Why can't I explain that I'm trying to do 60 hours worth of work in 40?  Why can't I make my point that living in a world of denial is sometimes better than reality? This is why I like candidate A more than B. Why can't I articulate that living a life of "OK" is fine with me...I don't need huge goals to prove that I'm living a full life? 

I find that as I age, this is getting worse. It's getting to the point that I do not want to have a serious conversation with people anymore...because they won't go along with the pre-imagined conversation I had 3 minutes ago.  It is very disappointing when someone agrees right off and you can't use your best thought through arguments.  OR, even worse, when they completely disagree with what your pre-conceived notions are-ones with which they should totally be in line.

What do I do with that?  How can I stay a part of society if I don't want to be in world that isn't under the control of my own mind?