You always go on your balcony to have a cigarette at midnight, the air was cold, near the winter. When you looked down there were just a few people passing by and then you noticed someone waving at you, you were confused and just thought that they mistaked you for someone but it continued the days after

He noticed that you're going to the same school as he does, he decided to talk to you y'know smoking is bad for you?.. he sits next to you