There's this rational urge to grab 某某人 by the collar and shake him really hard. But MSN only allows nudges, and that just doesn't have the same impact. He cannot understand something, and he needs help. So I said, ok, I'll be online, any questions you have just ask. Instead he starts whining about how there's no need to change the data structure, and can we rollback to the previous iteration's code and use the old structure. And how it's a waste of time and effort to make use of the new structure. Well, it really is a waste of time and effort for me, to be online to listen to all that. [takes deep breath] [exhale slowly] Ok, I know he's trying. That's why I'm trying to help him. It's just that right now I feel shaking him very hard and shouting into his ear will help him a lot. =P