What they had between them was still as fragile as flickering candle flame, as delicate as eggshell - and he knew that if it shattered, if he somehow let it break and be destroyed, something inside him would shatter too, something that could never be fixed.
Cassandra Clare (2010). “Cassandra Clare: The Mortal Instrument Series (3 books): City of Bones; City of Ashes; City of Glass”, p.607, Simon and Schuster