No daylight, no mirrors, the sudden blood lust and wanting to kill your family. Lots of people don't think of that.
I mean, hey, look around. People think Slayers are funky because they've got powers, but lots of people here do. How long before they're targets too?
You know how some demons can sense Slayerness? You think they're gonna start asking the girls if they're active Slayers or just trying to live their lives? You think they're going to leave the quiet ones alone? You can't ignore being a Slayer. You can't walk away from it.