“If you had to listen to a lawyer read the email or text out loud in a courtroom, would you change the tone? When I was a teenager, my mom used to tell me not to put anything in writing that I would feel uncomfortable seeing published on the front page of the New York Times. I understood, even then, what she was suggesting: Engage only in behavior that you’re prepared to stand by and defend. Be on your toes to be your best self at all times, even when no one is watching.”