Anything with 'electro shock' in the subtitle would be most efficient.
Other ways take thousands of hours.
I will drag you quietly, to a fairly deep hole if I catch you though.
Systematic repetition of induced difference to makeup tapers over approx 4-6000 hours (if memory serves, which they mostly removed ..so) .. to increased efficacy after such time in an ever quickening fining of personality, to advanced fluid shift state. At approx 14-20k.
Though if they rape your mind a lot it 'insert guess'. Subject unaware, if dream state active, memory serves not.
No I don't think they are smart for that, not one bit!
Knowing it is terrible, they cum like perverted animals.. Not knowing leaves a confusing mess of depression. Chewing on a mind at polarity skew or forced stasis halting, appears too much the perpetual effort for them, or mine are only evil, not world level ******* bastards.
Or, they did this quicker and kept my personality on ice to slowly dim it away over such time.