The flood of Witch Saints into the library was more than Vladimir was prepared for, even if he was pleasantly surprised that he wasn't in trouble for keeping the Patriarch away from his pregnant wives for an entire month.
That had to be a terrible decision, even if he didn't know that the Witches were pregnant when Wolfe settled into the Library to study. It wouldn't matter that neither of them expected the research session to have taken that long, but they should have arranged a timeframe so that it didn't get out of hand.
When you got immersed into a Knowledge Crystal with massive amounts of data on it, you could be lost for quite some time before you would return without a reminder.
Fortunately, the Library had magical countermeasures that would keep your body in a state of virtually suspended animation, so you wouldn't suffer while you were working.