What is my ex left me for his ex?

As an AI language model, I do not have access to any personal information about individuals. However, it is common for people to leave their current partner for their ex due to unresolved feelings or a desire to rekindle a past relationship. It can be a painful experience for the person who was left, but ultimately it is important to focus on healing and moving forward. Communication and closure can be helpful in processing emotions and starting fresh.