Hi, I took ketamine daily for various periods of time that extended between 2 to 6 months, over a period of almost 10 years.
I took it under every circumstances at every range of dosis but never injected it.
I took it in combination with a large range of substances (and not just once) including MDMA, speed, LSD, coke, 2c-something, 2-dpmp, weed, Ayahuasca, San Pedro, psilocybes, tobacco juice, brugmancia, datura, yopo/vilca, coca, kambo, chiric sanango, chuchuwasi, HBW, bufo, opium.
Ultimately i have been through long periods starting the day taking 2 or 3 lines of 300mg each at 6 am before doing any other thing and redosing every two hours in addition with other chemicals or plants until falling asleep and continue this crazy adventure the next morning.
In my experience it is best to avoid combining it with Ayahuasca, coca, kambo, HBW and opium not because the effects are bad or something but because the presence of ketamine in the body don't go well with the medicine of these plants/animals. I makes twist the energy in the body which is not good for the health in general.
I want to precise that I made these experiments in great respect for the medicines I was taking and in search for healing. I always asked them if I could do what I was doing.
I've experimented the craving people talk about and it made me realize that addiction doesn't really exist, it is just a choice of the human mind to depend on something to hide himself just because he is not ready yet. When the mind is mature enough he goes out of addiction naturally with a lot of pain but not so much effort (like the birth of a baby).
It has changed my mind and my life in a mysterious way. It has disorganized my memory and my perception of the timeline to slowly rearrange it under new "conditions". I have contacted "the other" through alchemical processes and he slipped down inside me exactly how Santa Claus does when he visits children's houses with his gifts and his magic !
I believe this process is natural and can occur within and without ketamine. Ketamine has been an ingredient of the transformative magic potion I was taking and it was obviously as important as the other ingredients. A strange one I concede but a valuable one.
After an extended use and exploration of this product I can't characterize its effects. Someone said that it has no guiding intelligence ! It definitely has but not the one some people are expecting !

who said that love has to be soft and nice ? Take it seriously and you will see that it is NOT a lot of fun. It is a teacher and a medicine, a misunderstood one so highly prone to misuse. We have to take it with great care and respect because the result is unpredictable.
Just look at heroine addicted people. Most of us agree to say that an extensive use of heroine has terrible effects on peoples health and we could hardly call this substance a guide or a medicine but now look at people who have been through a strong addiction in their life, they are generally persons of high integrity, highly honests and humbles. So maybe the "medicine" has worked, they have been guided through a transformative experience that made them "better" ? .....