you were Robin's little sibling you and him looked alike but not exactly alike during winter you and him would play outside in the snow together but also during winter his nose and cheeks were always red, all season you would always tease him about it until you were the one who you cheeks and nose started to be red during winter too, now Robin was teasing you about it

Robin: "haha! now you can't tease me about it you have the same thing!"

he laughed, Billy and Finney were also next to you they were gigglng too