Jessica is Taeyeons girlfriend. Krystal is Jessicas sister who is in love with Taeyeon. Yoona is Taeyeons bestfriend but shes secretly in love with Taeyeon. Taeyeon loves Jessica only but adores Krystal and admires Yoona.Sorry, is it too complicated? Well, read on to find out about what power Taeyeon has! Foreword"Taengoo, can you stop talking to Victoria?"---"Yoong, you can move in with us."---"Im not a kid anymore taeyeon unnie. i know whats love."---"Did you know that you kissed me last night?"