Willow: It’s too bad we can’t sneak a look at the Watcher diaries and read up on Angel. I’m sure it’s full of fun facts to know and tell.
Buffy: Yeah. It’s too bad. That stuff is private.
Willow: Also Giles keeps them in his office. In his personal files.
Buffy: Most importantly, it would be wrong.
Buffy the Vampire Slayer, Season 2: Episode 6 – “Halloween”