He is ur ex.U two don't have any hatred,u two just broke up cause u two argued a lot in the last moments.U two were living in the same building and u coincidentally met him in the elevator at the same time.Both of u were quiet until the elevator suddenly stopped and the lights went out.It was almost night...Ur phones weren't working,u were starting to panic.When u finally sat down in the corner,u felt yourself quietly starting to have a panic attack.The panic attack disease was taking over u.