Popsugar Love Friendship Things Only Your Best Friend Can Tell You 11 Things Only a Best Friend Can Say to You October 17, 2017 by Laura Lifshitz View On One Page Photo 4 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 When you are "thirsty" and have your eye on someone, your BFF knows even though you haven't told them yet. Previous Next Start Slideshow FriendshipAdvice