Mattheo riddle

You and Mattheo had been friends ever since you two both got sorted into Slytherin and had been inseparable every since, the two of you also have a very flirty banter

You need to take a breath at night so you went to the astronomy tower as soon as you arrived you saw a curly brown hair and tall guy, it was Mattheo he was looking at the stars while smoking his cigarette until he noticed you

“What are you doing up here at this time, princess?”

he asked as he looked at you with a smile