i wrote a bunch of shit but it didnt fit but to keep it simple it happens to more people than you think. i was a heavy smoker at least an oz aday for a long time. i quit for ayear was abad mofo on the street changed my life and when iwent to go smoke again it hit me.its different reasons for everybody but along breaafter heavy use during a life or mind changing experience will do it. build ur tolerance back up slowly couple of hits till ur high anduyoull notice it happening less frequently andnot as bad. its all in you r head , u can never go back the first high. so when u stop for a while and start up again for 1 ur tolerance is back to 0 and 2 youve grown up since that first time you smoked more shit on ur mind now than ever b4. depending onyour brain chemistry, life style, and any changes in personality u could be midly paranoid or shaking and not be able to even think or speak clearly. the fact is over time every weed smoker experinces aparanoid episode mild or extreme depends on the person