Manga Can Kill

In the recent huge earthquake in northern Japan, a man was found dead under a huge pile of manga and magazines. While the report at Yahoo does not specify the earthquake as the cause of the manga toppling on top of him, investigations are presuming that the quake was the cause.
He must have had a ton of manga like you see in this photo. I used to keep all my manga but its the lack of space that causes me to get rid of or sell. Do you keep *all* you manga?