You have very valid thoughts there.
I wrote about why talking or writing about your problems helps...
Check it out here.
https://ecency.com/hive-123394/@drceeyou/why-does-it-work-talking-about-your-problems
I haven't read the book, "The body keeps score"... I am sure it will be one hell of a read.
I do agree that historically suicide was shushed and not spoken about... But was it as common as it is today?