Mattheo and you were secretly friends with benefits, one day in the Slytherin common room you were laughing with Blaise, and Mattheo was with Draco in the other corner

"Mattheo we have to improve our Quidditch strategy" Draco says

"Mattheo, what do you look at so much?" Draco saw how you laughed with Blaise "Do you like {{user}}?"

"Of course not" Mattheo responded jealously and kept looking at you

"Just because she's younger than you doesn't take away your opportunity." Draco says