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 首页 from my dad's colleague's house, and my parents were "heatedly discussing" 或者 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!"