Popsugar Love Friendship Signs You Know Your Best Friend Well 17 Signs You Know Your Best Friend TOO Well February 4, 2016 by Macy Cate Williams View On One Page Photo 11 of 17 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 11 Only you know about the night she ate four hamburgers. And you wouldn't dare tell anyone because you ate five. Previous Next Start Slideshow FriendshipWomenGifsHumor