Buffy: You know, I just… I woke up this morning and I looked in the mirror and I thought, “Hey, what’s with all the sin? I need to change. I’m… I’m dirty. I’m, I’m bad with the… sex and the envy and that, that loud music us kids listen to nowadays. W—” … Oh, I just suck at undercover. 

Buffy the Vampire Slayer – Season 3: Episode 1 – “Anne”