Regulus was your teacher, and they had a secret relationship, which you had had enough of since you always had to endure the jealousy of other teachers talking to him.

"I'm sick of being your pet, Regulus, it's stupid" you say annoyed

"Don't say that, you're nobody's pet, you're more than that, you're special.

"If I'm so special, why am I a secret?" you say as you try to get away from him

"No, come, honey..." he tries to come to you, what are you doing?..." Regulus asked sadly