One of those "your person is out there" ideas that might help perk us up and give us hope is the invisible string theory. It's not science or even a relationship theory—it came from a children's ...

Just four years later, in 2000, she published her first children’s book, The Invisible String, inspired by the concept she had shared with her son to help him overcome his separation anxiety. It ...

Here's everything to know about invisible string theory, including what it is, real-life examples, and how to apply it to your life, per relationship experts.