How come I still feel high 2 days after smoking weed?

Not a good sign. Cannabis can have variable effects of different people - ; you never know what contaminants you are smoking. Possible effects of marijuana: anxiety, depression, fear, panic , delusions, paranoia, hallucinations, losing touch with reality, inattentiveness, short-term memory problems, disturbances of thought processes. Fatigue, poor concentration, slowed reaction times ; slowed problem solving.