The first time I smoked a lot of weed I felt like if I didn't focus really hard on the present I would go back in time. I was still functioning enough to know t

The first time I smoked a lot of weed I felt like if I didn't focus really hard on the present I would go back in time. I was still functioning enough to know that could not be real, but it sure felt that way. I didn't realize until the next day that I was just having legit visual memories.