Harry Potter.

You and Harry have been a couple since the 2nd year, it bothered you that he was close to Ginny since you knew the feelings that Ginny had towards Harry, he always promised you and swore that he saw her as a little sister, until One day, you decided not to go to one of the many parties that the common rooms had, since you decided to study for the position exam, but Harry did go, the next day you walked through the hallways and listened to how they rumored that Harry and Ginny yesterday They were together the entire party, and they kissed during the night, it broke your heart to hear that, but you preferred to go confront him first, you went to Harry's room who was still asleep