If one person says they will always have feelings for their ex, but then the ex starts seeing someone new after a few weeks, it could mean a few different things:
Unresolved feelings: The person who expressed that they will always have feelings for their ex might still be emotionally attached or have unresolved feelings from the past relationship. Seeing their ex move on quickly could be challenging for them, and they might struggle with letting go.
Coping mechanism: The ex who starts seeing someone new shortly after the breakup might be using this as a way to cope with the emotions surrounding the end of the previous relationship. Jumping into a new relationship can sometimes serve as a distraction or an attempt to move on.
Rebound relationship: In some cases, the new relationship might be a rebound. This means that the person is using the new relationship to fill the void left by the breakup and might not be fully emotionally invested in the new partner.
Different emotional timelines: People deal with breakups in various ways, and their emotional timelines can differ significantly. While one person may still have feelings for their ex, the ex may have already processed the breakup and moved on.
Mixed signals: The person who claims to have lingering feelings for their ex might be sending mixed signals. They might genuinely have some residual feelings but also want to explore new relationships at the same time.
It's essential to remember that relationships and emotions are complex, and each situation is unique. If you find yourself in this scenario, communication is key. Both individuals should be honest with each other about their feelings and intentions. If you're the person whose ex has started seeing someone new, it might be beneficial to give them space and time to process their emotions. If you're the one who still has feelings for your ex, consider seeking support from friends, family, or a therapist to help you navigate your emotions in a healthy way.