It sounds to me like you might have an underlying anxiety disorder, or something along the lines of that. If smoking weed is causing you all of this stress and anxiety, then stop smoking. It's as simple as that. However, you certainly do not need to be worried about staying high for several days from one weed session because that seems very unlikely. I myself smoke weed all the time and never experience anything like this, but everyones different. Oh and is caps really necessary? Not only does it make the text harder to read but it gives the impression that you're screaming every single word at the top of your lungs.