Popsugar Love Family Life Signs You're the Oldest Sibling 17 Signs You're the Oldest Sister January 22, 2018 by Macy Cate Williams View On One Page Photo 3 of 17 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Your greatest joy in life is trying to corrupt your siblings. You consider it training for the real world. Previous Next Start Slideshow Family LifeSiblingsGifsHumor