[quote=Blitzkrieg]
I wanted to literally rip Serana apart in my first Dawnguard play-through.That bitch would pay for her repetitive lines and her kill steals and her fucking stuffy personality.
[/quote]

There's a mod called 'Serana shut up!' that gets rid of a lot of her repetitious dialog. 

After being asked 'Hey, what is it?' every single time I stopped was rather maddening.