You can see problems that aren't appear in a double-spaced Courier typescript. ( Yes, you could do this in the old days on galley proofs, but that was an expensive luxury for most writers).
I think also being a police officer requires you to get your hands a bit more dirty; maybe use physical force to restrain criminals, maybe be faced with very difficult situations as well.
In the middle of a business trip, nothing can seem more enticing than the solitary silence of a hotel room, with no clients to amuse or placate in sight.