Update blog post

src/content/posts/reading-notes-predictably-irrational/index.md

@@ -25,4 +25,8 @@ Ch. 1 - Relativity
   is hard to decide
 
 Ch. 2 - Anchoring Effect
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+------------------------
+
+- Initial prices are largely "arbitrary" and can be influenced by responses to random questions; but once those prices
+  are established in our minds, they shape not only what we are willing to pay for an item, but also how much we are 
+  willing to pay for related products (this makes them coherent).