80 20 rule with dating
Put down the calculator and pitchfork, I don’t speak heresy.
Explaining, she says: "These percentage are subjective and striving for 90% perfection still puts pressure on the relationship.
If you want a 90% chance of matching birthdays, plug m=90% and T=365 into the equation and see that you need 41 people.
Wikipedia has even more details to satisfy your inner nerd.
This has been a fast and loosely defined in terms of subjective sexual market value (SMV) between men and women and the ratio of disparity between those valuations.
In intersexual terms, this 80/20 rule finds its roots in the economic theory known as the Pareto Principle: “80% of your sales come from 20% of your clients.” While I’m not sure the principle is directly translatable, it mirror the general rule of Hypergamy and women’s innate drive to optimize their sexual strategy with who they perceive as the top tier 20% (Alphas) men fucking the 80% lion’s share of women.