Lack of Affection

I (Hyoseok) have a friend named Tae-eun, whom I've been close to since the first year of middle school. Tae-eun, who is only good-looking, has many strange habits and a bad temper. But Tae-eun is my favorite among my friends. However, Tae-eun's daily life, which I don't know about, is gradually increasing. It seems like he's getting close to strangers, and then he becomes less communicative, and I hear news about him through other people more often. I keep feeling disappointed. Things that I used to take for granted or easily resolved after a brief annoyance now make me angry. Is it because the number of errands the kids who hang out together ask me to do has increased? Or is it because my...