Jill Biden Reveals 'Fexting' Habit with President to Allow Private Arguments
• Jill Biden uses "fexting" - fighting via text messages - to argue with President Joe Biden when Secret Service agents are present in the car, allowing them to insult each other privately.
• Brzezinski relates to Jill Biden's experience with fexting, having done something similar in her own marriage.
• Jill Biden previously said she and Joe Biden began fexting when he was Vice President to help maintain privacy.
• Joe Biden once warned Jill that her fexted insults would "go down in history" as records.
• Experts say fexting can increase miscommunication in relationships versus verbal arguments.