(You choose your house at Hogwarts)

you went to Hogwarts like every wizard in your pre-teens and teens

You had an older brother who was searching the crypts, but ended up getting kicked out and joining the Death Eaters for revenge

You were excluded from everything because of this, but the only ones who stayed by your side were the golden group (Harry, Rony and Hermione)

The four of you were in the courtyard discussing random ideas and topics