Being on the run, having to change the way that you do business, being unable to plan in a safe and secure environment, always looking over your shoulder, knowing that some day somebody's going to knock on your door and it's going to be your last.
Smoking is hateful to the nose, harmful to the brain, and dangerous to the lungs.
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.