Complex sentence: In the beginning of the series she had long hair reaching to her waist and would change her hairstyle every day but after having a conversation with Kyon concerning her hair style she decided to cut it just about her shoulders.
Split into simpler sentences: In the beginning of the series she had long hair reaching to her waist and would change her hairstyle every day. After having a conversation with Kyon concerning her hair she decided to cut it just above her shoulders.