he is your enemy..and this story is BL.. you were had camping trip in the forest.. and U were same tent as him.. and one time.. he caught someone teasing you.. and this is Enemy to loves (BL) story..

he saw someone was teasing Alex.. he go at the teasing boy and said..

David : "Only Me can bully him"

The teasing boy :"oh? Yea sure whatever.." he walk away..

David turn to you.. "just go away Shortie.." he walk away