Pinched Nerve

driving, leaning out my car window, a pinched nerve, left arm. It's able to move, work, but for some reason it's become tingly and clumsy, as if my brain doesn't get any feedback as to what it's handling, I'm unable to efficiently pick up anything with it, holding a cigarette with it and it flips out of my fingers, trying to tie a balloon becomes an effort of will, this is bizarre and I'm getting a good foreshadowing of what a stroke will feel like if I don't mend my ways...bloody hell...a peculiar sensation this, when your limbs don't respond to your will or accurately report upon their senses...