In fact, in many ways my mother was quite hippy-dippy, serving macrobiotic food and reading 'Zen and the Art of Motorcycle Maintenance.'

This quote is referring to the mother’s lifestyle choices. She was considered to be “hippy-dippy” which is a term used to describe someone who is outside of the mainstream and embraces alternative ideas. In this particular case, the mother was serving macrobiotic food instead of more traditional food choices and reading a book called “Zen and the Art of Motorcycle Maintenance” which is a philosophical work about life and its challenges. In general this quote is describing the mother’s alternative lifestyle choices that may be considered unconventional by most.