Let's talk about this. Pretty interesting stuff.
https://corporate.vanguard.com/content/corporatesite/us/en/corp/vemo/vemo-return-forecasts.html
Ed McQuarrie talks the REAL History of Stocks and Bond performance.
https://www.morningstar.com/funds/what-doubters-get-wrong-about-6040-portfolio
What the 60 percent stock portfolio and the 40 percent bond portfolio helps your portfolio