That sounds like me. I have too many things in my head. Not just stuff I have to do, but ideas and creative and technical things too. So along with the necessary, mundane things, there's the things that make my life worth living. I've had to get used to being a bit rubbish at 'normal' stuff, and knowing that I'm kind of cr@p at being a person, but that the potential I have in my head is amazing.
So yeah, that's familiar, in a big way.
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'I may not amount to much, but at least I am unique.' ~ Jean-Jacques Rousseau
'I sometimes go to my own little world, but that's okay, they know me there.' ~ Joel Hodgson