| Clue | Source | Date |
|---|---|---|
| 'Behave yourself!' | Newsday | 12 Mar 2023 |
| Behave pleasantly | Wall Street Journal | 12 Nov 2022 |
| Be cordial | New York Times | 16 Sep 2022 |
| “Don’t misbehave!” | New York Times | 26 Sep 2021 |
| Show decorum | New York Times | 16 Dec 2020 |
| Informal demand for propriety | The Washington Post | 12 May 2019 |
| Informal demand for propriety | LA Times Daily | 12 May 2019 |
| Informal demand for propriety | ||
| Parental admonition | Wall Street Journal | 12 Jul 2018 |
| Parental admonition | ||
| Kindergarten admonition | ||
| "Behave!" |