These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Alternative Character Interpretation: Annie Hayworth, the school teacher, stayed in the town her ex-boyfriend lived in on the weekends, despite originally being a city girl, saying she didn't want to lose the friendship between them... could it have been something else? Could Annie in fact have been Cathy's real mother, with Lydia actually being Cathy's grandmother given her age and appearance, but being the time period that it was such an out of wedlock birth could not be accepted, so they all just lied about it to save face? It would certainly explain some of Annie's interactions with Cathy at the party and later on Annie sacrificing herself to save Cathy from the birds.
Ear Worm: I married my wife in the month of June. Risseldy, rosseldy, Mow, mow, mow. I carried her off in a silver spoon. Risseldy, Rosseldy, hey bambassity, nickety, nackety, retrical quality, willowby, wallowby, mow, mow, mow.
Hell Is That Noise: The birds' cries when they were swarming the house in the last 20 minutes of the film.
Narm: "I think you're EVIL! EVIL!" Geez, lady, we understand you're very frightened here, but come now....