| Clue | Source | Date |
|---|---|---|
| Bromantic activity | Thomas Joseph | 19 Oct 2021 |
| Bromantic activity [5] | New York Times | 15 Aug 2019 |
| Bromantic activity [5] | ||
| Forming of close friendships between men | Thomas Joseph | 02 Oct 2018 |
| It happens between buds, and a feature of the starred answers | Wall Street Journal | 04 Dec 2017 |