Fun fact of the day:

The video likely worked due to its relatable and heartwarming message about relationships, presented in a cute and easily shareable animated format. The "fun fact" premise makes it engaging and encourages sharing.

The video presents a "fun fact" explaining that the spaces between fingers are for holding hands. It shows animated characters demonstrating this concept with a cute and romantic visual.

DillybyDally: This is the creator's handle and name, which appears as a watermark on the video. Removing it would not change what happens in the video.