Lol, It never happened to me :P
Sorry Unnie, I recommend you download, CCleaner <----Yes I mean CCleaner, and clean your internet with it at least once a week :D
Sorry....I a nerd When It comes to Computers.....Oh just find it, I helps everyone, i have it too :DD
Clear cookies, or better yet clear your cache.
If the site still logs you out, report it to a mod [nicely, of course].
For now, write chapter updates and blog posts in word or notepad or whatever writing app other than AFF's text editor. Then just copy-paste.
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