Refractions
Dim Sum.
Because now they too have a day to light fireworks on!
Diner at the sushi restaurant: "What kind of eel is this?" Waiter: "Do you love it?" Diner: "yeah" Waiter: "Then, that's a moray"
The Hodor-eliminating kind.
You do the math"
Math problems actually exist
Refraction of sunlight in raindrops