That's exactly it. There's an interval, but I don't have enough data points to plot anything reliable enough to predict when the next attack will be.
[ Attack is a strong word but honestly he came out to get a book and he's feeling so attacked right now. As for their last conversation, Reid is trying to do something genuinely good and helpful and it's frustrating when that desire is met with hostility, apathy and blind loyalty. He has a handful of people who seem to get what he's doing, but other than that... nope. Might as well throw in the towel and fry his brain in the Animus. ]
So, uhm. Sorry. About this. [ And maybe also that. ]