If you have a relationship with Zoe, and Bridget is hotter and richer, then you can replace Zoe with Bridget and you climb the ladder. This approach leads to insecurity; if Zoe knows that she can be replaced by Bridget, Zoe won’t ever feel secure. The idea that people are interchangeable is fundamentally flawed. When we value the things that make our partners who they are, no one person can ever replace another.
