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 8 of 17 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 When she tells your boyfriend an embarrassing secret. Um, have you ever heard of the sister secret pact? Let me teach you. Previous Next Start Slideshow SiblingsSistersWomenGifsHumor