I was 18, smoked pot, and spent the next 5 years totally depersonalized. It was traumatizing. I had no idea what had happened, where did I go? I went to hospital, on and off medications, dropped out of college and became homeless. I stayed in shelters, camping, and at friends and relatives homes.
I got to a point that I decided I would live out my life as though it wasn't a thing and try to work on my self to be healthy and strong. So, I took care of my health with meditation, dieting good, and exercise. I dropped the attachment and identity I had formed with depersonalization. I did things like travel and work even though I was in a terrible state. Doing things got easier and easier and so I was able to relax more and more. Socializing was very difficult for me too, but I continued and it got easier and easier. Now, at my work, i talk to 100s of people a day and it's just a normal thing.
And so, the DP would come and go until one day it was totally gone. The storm had finally passed and I forgot all about it. And that's basically it really. What once seemed impossible now seems very clear and simple.
Also, when I was 25 years old the DP was gone but I tried psychodelic mushrooms because I always had a curiosity about them and a feeling that there was something there for me to experience. I grew them myself. And after just the first time, what I experienced changed my life in a good way. Things are not dreamlike, foggy, dark, gloomy, or dead like, quite the contrary. But I wouldn't claim it would be the case for everyone.
And now I am 33 years old. I've lived years in darkness, trauma, and fear and in a state where everything seemed dead, dark, distant, dreamlike, unfamiliar, and totally scary. But I've also lived for years in a state opposite of that.
I'm not saying I am spiritually enlightened or anything. I have days that I am depressed and sometimes I have a lot of anxiety but it clears up pretty easily. And for the most part I am at peace, especially in remembrance of the days and years of depersonalization.