When Leah Menzies , a 20-year-old college student in Australia, nervously entered her boyfriend's family home, she anticipated the typical rituals of meeting parents for the first time. And it sure started that way, especially when his mother dug up some old photos like many moms typically do. But what unfolded completely transcended the ordinary, Menzies tells PS.

Flipping through the first couple of pages, they stumbled upon a picture of his kindergarten class. It was a photo full of unfamiliar faces — well, all except one. Standing beside her now boyfriend was his then-teacher, who also happened to be Menzies's late mother.

When Menzies was only 7, her mother passed away. She never imagined her mom would be able to meet her future boyfriend. Now, she can proudly say her mother did.

This is what many would call their invisible string. The concept of the invisible string implies that, while people may enter and leave our lives, those who are meant to stay will always be connected to us, whether or not we are aware of it. You've probably stumbled upon the idea of this mystical thread before, whether through Taylor Swift's " Folklore " (where she sings about the phenomenon under a song of the same name) or while watching the Oscar-nominated film "Past Lives.

" You may have seen heartwarming stories of lost loves reuniting or serendipitous encounters on TikTok under the hashtag, which has over 32 million views. These stories resonate because, well, ideas of fate, destiny, and .