The duration for which an ex will continue to care about you after a break-up can vary significantly from person to person. There is no universal time frame for this, as it depends on several factors, including the nature of the relationship, the reasons for the breakup, the emotional attachment between the individuals, and how each person copes with the separation.
In some cases, an ex may continue to care about you for a considerable amount of time, especially if the relationship was significant and the emotional bond was strong. They might still have feelings for you or have a sense of attachment that takes time to fade away. This can be especially true if the breakup was amicable or if the two individuals have maintained a friendship after parting ways.
On the other hand, some people may move on relatively quickly after a break-up and stop caring about their ex-partner after a shorter period. This can happen if they were emotionally prepared for the end of the relationship or if they find closure and healing through other means.
In any case, it's essential to understand that people cope with breakups differently, and the process of moving on varies from person to person. Trying to predict precisely how long an ex will care about you can be challenging and may not be productive. Instead, it's crucial to focus on your own healing and growth during this period. Give yourself time to grieve the end of the relationship, and eventually, as you move forward, the significance of your ex's emotions in your life will likely lessen.