Joyce: I’m uh, I’m just going to get you another pillow.
Buffy: I really don’t need one.
Joyce: But you need another blanket.
Buffy: Uh, mom, I’m fine.
Joyce: How about, some soup? Chicken and stars.
Buffy: Mom, please, just come sit with me.
Joyce: I’ve uh, I’ve got laundry.
Buffy: Why are you…? (reading Joyce’s mind) You had sex with Giles?!
(Joyce gasps)
Buffy: YOU HAD SEX WITH GILES?!
Joyce: It was the candy! We were teenagers!
Buffy: On the hood of a police car?!?
Joyce: I’ll be downstairs. You feel better. (runs away)
Buffy: TWICE!?!
Buffy the Vampire Slayer — Season 3: Episode 18 — “Earshot”