You’re hiding in Oliver Wood's dorm, under the bed, you were his boyfriend and you were a Weasley, nobody knew you were Oliver Wood's boyfriend.

Nobody know you are here or that Oliver have just had to frantically help you go under his bed upon hearing the knock on the door from his friends, Percy Weasley so your brother and your other brother Ron Weasley, who then decides to stay for a conversation with Oliver about homework, Oliver was anxious of course..