[shurcooL]

Happiness/Likeness = Expectation - Reality.

Those who thought it was great probably did not have high expectations. The movie beat them.

You already saw websites saying how great it was, so your expectations were much harder to beat.

[DjangoReinhardt]

I think, you'll find that the equation works better if you reverse the RHS.

Happiness = Reality - Expectations.

The lesser the expectations and the greater/better the reality, the more the happiness. :)

(NB: I use this equation as a general rule for my life. In fact, I put it in one of my first HN comments: https://news.ycombinator.com/item?id=5932133)

[rapind]

One of my favs https://news.ycombinator.com/item?id=2092745

[shurcooL]

You're right, that's what I meant.