Parents & Small Children: I NEED MY SPACE!

Haha, my mom's gonna kill me for saying this online, but whatever xD

One night, my parents and I were driving inicial from my dad's colleague's house, and my parents were "heatedly discussing" o in my words, arguing about something that had happened at the house. My mom stopped at a red light, and she was in midsentence, HEATEDLY DISCUSSING at my dad, when all of a sudden,
"OOH, LOOK! There's a deer!"