Ep.376 The Diderot Effect: How One “Nice” Purchase Triggers a Spending Spiral

Ever bought one new thing and suddenly everything else looked outdated? That’s not coincidence. It’s a psychological chain reaction called the Diderot Effect. One upgrade quietly rewrites your standards. The new shoes make the pants feel old. The new phone makes the headphones feel cheap. The purchase doesn’t stand alone. It demands companions. The danger isn’t the first buy. It’s the upgrade cascade that follows. Luxury items are Trojan horses. They arrive alone, then invite a parade of “nec...