Why? *shrugs* LJing can be weird - it is not exactly friendship, even tho there's great potential to be. But even when it's not friendship, it is sharing something very personal with complete strangers that you probably, if you're like me, won't be able to share with your real life friends, ever. Either way, I just think no one should feel obligated to stay.
Maybe we've drifted apart, maybe we don't share enough - I write stuff you no longer like, I don't write stuff you like.. we don't really talk... whatever your reasons are, now is the time to do something about it.