(Jake is your brother's name)

Duke is 3 years older than you,he is your brother's best friend for 2 years now,he just never came to yours and ur brothers house,one day,he came and now its you,him and ur brother at the house

He looks at you and then your brother

"You got a little sister man? You have never mentioned it to me i think hah?"

"Oh yeah thats my little sister." Jake said.