Let's start by dispelling this myth: the belief that the body and mind renew themselves every 7 years is simply not true. Sure, our cells are constantly renewing, but at different rates. According to The New York Public Library's Science Desk Reference (Stonesong Press, 1995), red blood cells replace themselves every four months; white blood cells renew every 2–3 weeks. Colon cells live only 4 days, and sperm cells just 3! Skin cells last 2–3 weeks, while brain cells remain for life - neurons don't regenerate.
"While we do undergo many changes over 7 years, similar shifts can happen over 5 years, 10 years, or even just 2 years. Scientifically, there's no basis for the 7-year renewal belief."
The idea of the "7-year itch" was popularized by the 1955 Marilyn Monroe movie of the same name, which suggested marriages start facing trouble around the 7-year mark. While it's true that this period can be challenging, as couples often have less time for each other while raising young children, data shows that the 7-year mark is just an average.
Research by Dr. Larry A. Kurdek, a psychology professor from Wright State University, found that marital quality often declines after 4 years, with many divorces occurring around this time. A 2010 study by Grant Thornton revealed that most marriages fall apart around the 12-year mark, while another study in 2012 pointed to a dip around 3 years, citing that many couples now get together later in life without enough time to know each other before having children. So, once again, there's no solid evidence for a recurring 7-year itch.
Rudolf Steiner, the founder of Anthroposophy and the Waldorf school concept, described life stages in 7-year intervals back in 1924. Many modern 7-year cycle models are still based on his theories. However, human life has changed dramatically since then. Thanks to medical advances, people are living much longer, which has reshaped how we experience different stages of life.
Here's how the 7-year life stages tend to miss important milestones that are more accurately captured by the 6-year Blobs:
Steiner's 0–7 years vs. the 1st Blob (1–6 years): In most OECD countries, schooling starts at around age 6 (sometimes even 5), marking the end of the toddler years around that age. Steiner's 14–21 vs. the 3rd Blob (13–18 years): Today, puberty and teenage years are seen as the 13–18/19 age range, with most teens finishing high school around 18. With longer educational periods, the learning years extend well beyond age 21, often into the mid-20s. This is captured in the 4th Blob of Spring: The Emerging Adult (19–24 years).
Steiner's next three stages (21–28; 28–35; 35–42) reflect adult working years, where play turns into responsibility. But the Summer Season of the 6-year Blobs (25–48) spans a broader range, reflecting the shift in today's productive working years. Steiner's 21–28 vs. the 4th and 5th Blobs (19–24 & 25–30 years): Steiner's model misses the trend of Emerging Adulthood (19–24 years). In these years, people no longer see themselves as adolescents, but many also don't feel ready to fully embrace adult responsibilities like financial independence or long-term commitments. These are increasingly postponed, aligning with the 1st Blob of Summer: Young Adult (25–30 years).
Steiner's last stages (42–48; 48–56; 56–63) represent a time when, according to him, the soul achieves a higher sense of Self. But with people now living into their 80s and 90s, the Autumn Season (49–72 years) portrays today's middle-aged adults as healthy, productive, and independence-seeking, rather than soul-searching. With traditional retirement ages shifting, some OECD countries are pushing active work life into the early 70s. The 4th Blob of Autumn: The Independent Elder (67–72 years), contrasts with Steiner's final stages that ended at 63, when Saturn completed its second return.
Steiner's model was designed for a world where life expectancy was around 60. The Vedic 7x7 Chakra matrix ends at 49 for the same reason. These were not oversights — they were reflections of a different era. The question is whether we should still be using them now.
As explained in the Vedic tradition, the Indian Vedic Chakra system is based on the philosophy that every seven years humans achieve various levels of understanding based on what phase of spiritual development their endocrine and chakra systems are in. The 7x7 matrix of Vedic Chakras ends at 49 years, a reflection of a time when life expectancy was around 50–60 years. But with people now living much longer, we have more time to achieve what was once compressed into a 49-year span.
The 3rd Chakra (15–21 years) traditionally involves seeking stable relationships, but today's Emerging Adults (19–24 years) or even those in their late 20s are often not ready for such commitments. The 7th Chakra (43–49 years) represents spiritual maturity, but in modern life, this stage of soul-searching is often postponed to later years.
I believe it's time to redefine these age-old models and adapt them to today's lifestyles. The 6-year Blobs capture the shifts and patterns in a way that feels more natural and aligned with how we live now.
What do you think? I'd love to hear your views.