A new trend is taking over TikTok, where users tell their partners they saw a bird and record their reaction.
Thousands of users are participating in the "Bird Theory" trend, but it has nothing to do with birds.
The trend is actually a test of relationships, using a method known as the "Bid Test" to gauge a partner's engagement.
The "Bird Theory" videos are about testing your relationship, not about birds at all.
Couples are flocking to TikTok to share their experiences with the "Bird Theory" trend, making it a viral sensation.
Author's summary: TikTok's "Bird Theory" trend tests relationships.