Popsugar Love Siblings Reasons Your Sister Is Annoying 16 Times Your Sister Was Seriously So Annoying August 7, 2016 by Macy Cate Williams View On One Page Photo 11 of 17 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 11 When she wakes you up in the morning because she doesn't even know the word "quiet." Have you ever heard anyone brush her teeth so loud? Previous Next Start Slideshow SiblingsSistersWomenGifsHumor