You also know well enough that the travelling salesman who is outside the office almost the entire year can become so easily a victim of gossip, coincidences, and groundless complaints, against which it's impossible for him to defend himself, since for the most part he doesn't hear about them at all and only then when he's exhausted after finishing a trip and at home gets to feel in his own body the nasty consequences, which can't be thoroughly explored back to their origins.