"Why are breakfast food breakfast foods?" I asked them. "Like, why don't we have curry for breakfast?" "Hazel, eat." "But why?" I asked. "I mean seriously: How did scrambled eggs get stuck with breakfast exclusivity? You can put bacon on a sandwich without anyone freaking out. But the moment your sandwich has an egg, boom, it's a breakfast sandwich."
"The Fault in Our Stars". Book by John Green, January 10, 2012.