I consider turning bilingual.
I'm not sure, though. My experience with writing in english is limited (to technical papers and song lyrics!), so I'll probably make embarrassing errors. My grammar and style will no doubt need some work. But that's the point, I guess: learning by doing.
Besides, I've lost most of my readers. To Twitter, I suspect, or Facebook, Gowalla – god knows. So perhaps it's time to address a larger audience? Sure, a personal blog is a bubble anyway, but why keep it smaller than it need to be?
Until then, there's always Google Translate: