Some of you have asked for a reading list. Here is my list of books. These are books which either changed my view on how I live life (not easy) or books which show a partial image of the japanese mindset which can help when reading books like Musashi's five rings. 

 Here is my list of books to help understand kenjutsu from the Japanese cultural mind;
The unfettered mind by Takuan Sōhō
Zen and the Japanese culture by Daisetsu Suzuki
The book of five rings (Gorin no sho) Musashi.
The way of Zen by Alan Watts
Hagakure by Tsunetomo (translated by William Scott Wilson)
Japanese Death Poems by Hoffman

Legacies of the sword by Carl Friday

Flyboys by James Bradley

Boyd by Coram

Know Thyself books:

The Craft of the Warrior by Robert Spencer

Passionate Marriage by Dr David Schnarch (be careful with this one. It could also be titled "Passionate Relationships")

Raising Cain by Kindlon and Thompson

Girls and Sex by Peggy Orenstein

The Way of Zen by Alan Watts

Ender's Game by Orson Scott Card

Treason by Orson Scott Card

The Body Keeps the Score by Bessel Van der Kolk MD

Born A Crime by Trevor Noah

Zen and the Art of Motorcycle Maintenance 

Iron John by Robert Bly

Transitions by William Bridges

The Book by Alan Watt

Rolling Thunder

Let every breath (systema)

Breath by James Nestor

Breathing for Warriors

Breaking the Habit of Being Yourself Dr Joe Dispenza

Teacher and Nami Ryu reading lists

Leadership and Training for the Fight by Msg Paul Howe

The Mission the Men and Me, Pete Blabber

Meditations on Violence by Rory Miller

Gates of Fire by Steven Pressfield

Inside out Coaching

Find your Why – Simon Sineck