If you don’t understand the beautiful relation of Hermione and Harry, you don’t know friendship. And if you don’t understand Ron’s jealousy, you don’t know love.
..some memories (people) just can’t be replaced. And not because they are not things. Because you don’t want those wounds (scars) left by them to be healed. You have started to adore the ache, without you knowing they become an integral part of you..without those scars you are empty.. through them you know you are alive..