I assume that, like Karli, Wolfi, Bernhard, rachfan and many others, she simply became tired of posting on internet forums and perhaps communication in general. Internet acquaintances and friendships do not operate in quite the same way as real life interactions. It is possible to terminate correspondence with an abruptness and lack of explanation that would not occur off the internet. It has happened to me a couple of times and all I can do is accept the sudden desire for privacy. Being a person who tends to keep friends I found this transience difficult at first but it doesn't worry me so much now.