There could be several reasons why your ex-boyfriend doesn't want to be friends on social media:
Emotional Distance: After a breakup, some people prefer to create emotional distance to move on and heal. Staying connected on social media can make it harder to detach emotionally and can bring up old memories or feelings.
Avoiding Awkwardness: Being friends on social media might lead to awkward encounters or misunderstandings, especially if either of you starts dating someone new.
Privacy and Boundaries: Your ex-boyfriend might value his privacy and feel that maintaining a social media connection with an ex can blur boundaries, making it challenging to establish new relationships.
Unresolved Feelings: If your ex-boyfriend still has feelings for you or if there were unresolved issues in the relationship, he might feel that being friends on social media would make it harder to move on and fully process those emotions.
Need for Space and Time: Some people need space and time after a breakup to focus on personal growth and self-discovery. Being friends on social media could hinder this process.
Protecting Feelings: Seeing your posts or updates might be emotionally challenging for him, especially if he's trying to distance himself from the past and the feelings associated with the relationship.
Preserving the Breakup: Your ex-boyfriend may believe that staying connected on social media would send mixed signals or give the impression that you are still in a relationship.
It's essential to respect your ex-boyfriend's decision and give him the space he needs. While it might be tough to accept initially, taking time apart can benefit both of you as you navigate your post-breakup lives. If you still want to maintain a friendship in the future, consider giving it more time and allowing both of you to heal and move forward independently before attempting to reconnect.