I believe that research and understanding of mental health is advancing every day.

Of course, I know that it is still not enough.

I understand that mental illness can easily occur in anyone.

In addition, I am aware that I have been both a victim and a perpetrator of mental illness.

I feel that current mental health research is missing the perspective of 'self as perpetrator.'

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I, recently, I want someone to try

"Research on mental illness in historical figures (especially Japanese history), especially warlords of the Warring States period"

In the meantime, I checked Google Scholar but could not find any research papers that seemed to be downloadable.

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I have been watching video clips of the Taiga drama on YouTube, and the daily life of the warlords was a parade of carnage, betrayal, and purges of their team.

In such a state, I cannot understand at all the mentality to have said beautiful words such as "bushido" and "honor of the warrior."

That was typical double standards.

I can only assume that warlords have dissociative identity disorder by default.

I have determined that the most famous warlord in Japan was "bipolar," but I am curious to know what other warlords were like.

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I think it is quite a problematic study to estimate the mentality of warlords using only limited historical documents.

However, I believe that the research contributes to the current treatment of our mental illnesses.