He acknowledges his own failings and scars, realizing he loved her long before he could admit it. Where to Find the Letters (PDF & Official Links)
The letters written by Cardan Greenbriar Jude Duarte are a series of bonus materials from The Folk of the Air trilogy by Holly Black cartas de cardan a jude pdf drive link
He explicitly revokes her banishment, telling her to "Come home and shout at me... break my heart, if you must". He acknowledges his own failings and scars, realizing