How come Melisandre didn't die from the posion that Cressen gave her, but he did?

She is protected by the Lord of Light. Did you spot the jewel of her choker pulsing with red light as she stood over his body?

On a separate note when you are writing in the forum or on a talk page please could you sign your post by typing four tildes (~) like this ~~~~.--Opark 77 06:49, April 4, 2012 (UTC)