Are you sure this is what happened? I'd guess that the woman expected a range of price, and was shocked when when she found out the drink was $13.
> (1) Where else do people buy things without knowing the price first? > (I've been thinking and have been unable to come up with any examples.) People are drunk and/or trying to have a good time. I think it's an example of people with very short time horizons caused by drunkeness or distracted by other events (televised sports, pool, flirting, music, etc) If you wanted a biological explanation, I'd guess bars are places where people's adrenaline goes up, they get excited and lose their patience. > (2) Why does this happen in bars? > > - Joel >