scrambling faster than he was really capable of after such a blow , he fell as he cleared the window and banged his knee on a sharp object . alec grabs hold of my arm , as though he 's trying to steady me , despite the fact that i 'm not falling . i do n't know how i can possibly go on alone . if you do n't let her go , you 're going to lose her forever . she was starting to feel tired now , her legs aching , but she thought she was basically okay . 