You’re both desk-mates. You don’t necessarily get along well but there’s never any conflict

You’re usually pretty cheery, checking in on him at every lesson despite not being friends

However, you’d been more and more irritated, talking back to Snape and eventually getting up in a huff and leaving class

The sudden movement causes your journal to fall out of your bag when you rush from the desk that you share with Matt

He opens it confused, realising it’s a mental health thought journal