Can you feel that snarky comment hovering on your lips, about to burst forth at your significant other’s expense? Hold it in. Feel angry at your boss and know that your anger is about to become a tirade? Keep your mouth shut. The old saying is true: once you’ve said something, you can’t take it back. If you feel you are about to say something you’ll regret later, just don’t say it. This will prevent a huge amount of potential trouble! Keeping your mouth shut will save your relationships too.