Yes its definitely possible. I was in a LSD/MDMA/Cannabis type high(without all the hallucinations) almost a year straight at one point. I got carried away with society, relationships, quit spiritual practice altogether and got into psychedelics and decided to allow myself to get used to the illusion again because you only end up realizing that you are GOD and the only Identity left so thus why you chose to be blind in the first place. Its a constant spiral of darkness to light. It never ends. Once you find GOD through one perspective, you then do it all over again via another perspective. You are literally a whole new person every time but so similar you do not notice and think you are the same until you hit that peak again.
Maybe if you live in solitude away from the modern world you can remain in that state indefinitely but you eventually want to be a kid again and be blind and play and learn all over again. That's the joy of life.