What is ex added me on social media?

As an AI language model, I don't have information about specific individuals. However, if an ex adds you on social media, it could mean a variety of things.

It's possible that they are trying to reconnect with you after some time apart, either for the sake of friendship or potentially with the hope of rekindling the romantic relationship.

Alternatively, it could simply be a harmless gesture to stay connected and keep up with your life. Some people add their exes on social media as a way to show that there are no hard feelings or to maintain a level of civility and respect.

Ultimately, the reason behind why an ex added you on social media depends on the individual situation and the intentions of both parties involved.