Except for my daughters, I have not grieved for any death as I have grieved for his. His was a great and beautiful spirit, he was a man – all man, from his crown to his footsoles. My reverence for him was deep and genuine.
It is not seen as insane when a fighter, under an attack that will inevitable lead to his death, chooses to take his own life first. In fact, this act has been encouraged for centuries, and is accepted even now as an honorable reason to do the deed. How is it any different when you are under attack by your own mind?
My name is Ashallyn'darkmyr Tallyn, third son of the Unseelie Court...Let it be known--from this day forth, I vow to protect Meghan Chase, daughter of the Summer King, with my sword, my honor, and my life. Her desires are mine. Her wishes are mine. Should even the world stand against her, my blade will be at her side. And should it fail to protect her, let my own existence be forfeit. This I swear, on my honor, my True Name, and my life. From this day on..." His voice went even softer, but I still heard it as though he whispered it into my ear. "I am yours.
A craven can be as brave as any man, when there is nothing to fear. And we all do our duty, when there is no cost to it. How easy it seems then, to walk the path of honor. Yet soon or late in every man's life comes a day when it is not easy, a day when he must choose. (Maester Aemon)