You could in theory, yes. If I wasn't as...used to doing this as I am. [ Luckily he's had to use this spell more than a few times over his career as a headmaster, so it's not that difficult anymore. But he still hates having to wipe the memories of his students. ]

Don't. Don't say that Frederic, these memories make you who you are. Despite all the pain they cause...would you really want to forget Polka or Emilia?