An actor really suffers when the director isn't prepared because you start running out of time for the shoot and then have to do it fast.
For years, I've been wondering what could happen to nuclear submarines when they dive and disappear from the surface of the earth for months, without a trace. No one really knows where they are.
English football has just had a transfer window imposed for the first time, so it will be interesting to see how managers cope with the squads they have until it re-opens.