reasons why people stop blogging?

Often there are only two reason why people never update their blog.
One, their life is so boring that everything is so routine and therefore not worth to repeat it at every new post.
Second, which is also the opposite, the life is so pack until they have no time to blog about it. when they finally have time to do so, they have forgotten what is the most exciting because everyday of their life is so meaningful..
Only after a while when they realised "oh, i had a blog and let's look at it." Then they start blogging again. =)