I'm sorry to hear that you're going through this difficult situation. It can be painful and confusing when someone you are in a relationship with decides to be with another person. While I don't have access to specific information about your ex-partner's thoughts and feelings, I can offer some general insights into why someone might make such a choice:
Attraction and compatibility: Your ex-partner may have developed feelings for the other person based on factors like physical attraction, emotional connection, shared interests, or values. People can be drawn to others for various reasons, and it doesn't necessarily mean that there was something wrong with you or your relationship.
Emotional distance: Sometimes, people may feel emotionally disconnected or unsatisfied in their current relationship, leading them to seek emotional fulfillment elsewhere. It's possible that your ex-partner may have felt a stronger connection with the other person at that particular time.
Timing and circumstances: External factors, such as life changes or personal circumstances, can influence a person's decisions. They might have found themselves in a situation where they felt a strong connection with someone else and chose to pursue that relationship.
Personal issues or unresolved conflicts: Sometimes, individuals may have unresolved personal issues or conflicts within themselves that affect their ability to commit fully to a relationship. This can lead them to seek new connections elsewhere.
Communication issues: It's possible that there were communication problems in your relationship that made it difficult for your ex-partner to express their feelings or concerns, leading them to explore other options without addressing the underlying issues.
It's important to remember that every individual and relationship is unique, so there might be specific factors at play in your situation that are not covered in this general explanation. While it's natural to wonder why this happened, it's essential to focus on your own well-being and healing during this time. Reach out to friends, family, or a therapist for support, and remember that you deserve love and respect in any relationship you choose to be in.