booked a lady (years ago) for 2 1/2 hours (her package, not my idea).
first half hour spent in the hotel bar over drinks (again, her idea, not mine).
once in the room, we played for a while. not the best, not the worst.
as we were sitting on the floor after a round or two, she casually asked, "so, do you want to take a shower?"
i looked at the clock on the night stand across the room, and pointed out that there was still 40 minutes left in the session.
40 minutes!
she made some excuse about not seeing the clock (which was interesting because she was sitting next to me, facing the same direction).
second worst example of this, happened to me about the same time. i saw another lady for several sessions (she was one of the first i experienced in the hobby). she had a clock in her play/bedroom, so everybody knew how much time had passed.
however after a couple of sessions i realized that she had it set to "bar time;" ie, it was set 15 minutes ahead of real time, to fool customers into thinking it was later than it really was.
needless to say, stopped seeing both ladies.