Which friendship style are you? Kasley Killam, Harvard‑trained friendship expert and researcher on social connection shares the 4 styles: Butterfly, Wallflower, Firefly and Evergreen. Each style has strengths, and each has challenges. And understanding your own style helps you better understand your comfort zone, your needs, and the social situations where you thrive. Understanding someone else’s style helps you stop taking things personally. Some people want constant connection, others need spa