Markus Zusak said this quote

Rudy handed it back. Speaking of which, I think we're both slightly in for it when we get home. You especially.Why me?You know- your mama.What about her? Liesel was exercising the blatant right of every person who's ever belonged to a family. It's all very well for such a person to whine and moan and criticize other family members, but they won't let anyone else do it. That's when you get your back up and show loyalty.