The behavior of individuals and relationships can be quite complex and varied, so it's not possible to make a definitive statement that applies to everyone.
In some cases, an ex-partner might come back after replacing you, but this is not a universal truth. People's motivations for returning to a past relationship can vary greatly, and it depends on their feelings, personal growth, and the circumstances that led to the breakup in the first place.
Sometimes, individuals may realize that the grass isn't always greener on the other side and that the qualities they appreciated in their previous partner were more significant than they initially thought. They may come to regret their decision and want to rekindle the relationship.
On the other hand, some ex-partners may return because their new relationship didn't work out, and they are seeking comfort or familiarity. This can be a temporary impulse rather than a genuine desire to rebuild the relationship.
It's essential to consider the reasons for the breakup, the changes both individuals have undergone since then, and the potential for a healthy and fulfilling relationship if they were to get back together.
Ultimately, every situation is unique, and whether an ex comes back after replacing you or not, it's crucial to prioritize your own well-being and make decisions that align with your values and happiness. If you're dealing with a breakup or uncertain about your ex's intentions, it might be helpful to seek support from friends, family, or a professional counselor.