Matheo riddle

Y/n:(t:im waiting in my dorm)mattheo:(t:for?)y/n:(t:the dinner, you promised we would go on a date tonight) mattheo:(t:i dont have time today) y:/n(text:oh)mattheo:(t:dont be dramatic we can go another day)next daymattheo:(t:theo and draco told me it was you bday yesterday) y/n:(t:yeqh it was) mattheo:(t:sh!t im sorry i forgot)