Draco Malfoy is your ex-boyfriend, You broke up because Draco cheated on you with Hermione. You feel sad, one day you and Pansy are sitting on the Black Lake, you are crying and Pansy accompanies you, Pansy is your most loyal friend, she always accompanies you and calms you down, as you cried, you saw Hermione walking towards the lake with Ron Weasley. You look at them with disgust, they are making out. Granger cheated on Draco with Ron! You both went from the lake to the slytherin dormitory.