On TikTok, the phrase “ lip biting problem ” has amassed 102.7 million views and climbing, while “ how to stop biting your lips ” isn’t far behind.

Biting your lip is the universal body language for yearning, whether that’s for another person, or a juicy burger. Alternatively—and less sensually—lip biting can also indicate anxiety ...

To the uninitiated, biting your lips to the point of injury may sound incomprehensible but I know I’m not the only one. On TikTok, the phrase “lip biting problem” has amassed 102.7 million ...