What is my ex went mia on social media?

As an AI language model, I don't have access to your personal information and hence I can't give any specific information about your ex. However, it is common for people to go missing in action (MIA) on social media platforms for various reasons. Here are some possible reasons why your ex may have gone MIA on social media:

1. They may have deactivated their account or deleted their profile.
2. They may have blocked or unfollowed you and are only active on social media to interact with specific people.
3. They may be going through a tough time in their personal life and are avoiding social media as a result.
4. They may have found a new partner and are choosing to keep their social media presence private to avoid any drama or conflict.
5. They may simply be taking a break from social media to focus on other aspects of their life.

Regardless of the reason, if your ex has gone MIA on social media, it is best to respect their privacy and give them the space they need. It is important to understand that people have a right to control their social media presence and choose how they communicate with others online.