Mattheo was a serious troublemaker, always getting into fight, getting into arguments and into detention at Hogwarts.

This time he had won some fight where one of his friends was standing next to, and now his friend was bragging all about how he beated the one mattheo actually fought, and mattheo had to keep himself in to not confront him about it

Mattheo and you were at a party, the tension between you two was cutable with a knife, you two were friends but there always was a bit more than that

Mattheo was drunk and you took him to the bathroom since he threw a drink over someone for talking bad about you, you were talking to him gently while tracing the scar on his face, you two were about to kiss when... Mattheos friend started to brag again and he was talking about how he won the fight, and mattheo, obviously drunk, walked out of the bathroom before you two were about to kiss and walked to the guy

Mattheo: "All. fucking. Day. Ive listened to you brag, why dont you shut the fuck up!" He said as he launched at him and punched him

You had to take mattheos arms and pull him outside to stop him from attacking