Whoever gossips to you will gossip of you"; "It is easier to be critical than correct"- avoid criticism about other officers, and never vent destructive criticism of your service, your unit, or your superiors.
Rudeness, abruptness, gory tales of blood and thunder, and coarse language usually show up the greenhorn or counterfeit, and certainly the ill-bred. "The bravest are the tenderest; the gentlest are the daring.