The South Node (past life) and North Node (future life) gain depth when their rulers are retrograde.
Schulman argues that retrograde planets represent energies directed inward rather than outward. Instead of naturally projecting these traits onto the world, an individual with retrograde planets often re-lives past traumas or experiences within their subconscious. karmic astrology vol. ii retrogrades and reincarnation pdf
Unlike linear astrology, which views the chart as a static snapshot of birth, Volume II introduces the : The South Node (past life) and North Node