Predicting someone's behavior, especially in matters of relationships, is highly complex and uncertain. People's decisions are influenced by various factors, emotions, and circumstances, making it difficult to provide a definitive answer.
When someone leaves a current partner to get back together with an ex, it could be due to various reasons. Sometimes, the rekindling of an old relationship is successful, but other times it may not work out in the long run. The outcome depends on the specific dynamics between the individuals involved, their past history, their feelings, and how they've grown and changed since their initial breakup.
Here are a few possibilities:
He tries to get back together with you: After being with his ex again, he may realize that the relationship isn't as fulfilling or positive as he hoped, leading him to reconsider his decision and reach out to you.
He stays with his ex: It's also possible that he decides to continue his relationship with his ex, believing that it is the right choice for him at the moment.
He remains single: After experiencing a breakup with you and possibly struggling with his feelings for both you and his ex, he may choose to remain single to sort out his emotions and priorities.
Your feelings and decisions: Equally important to consider is how you feel about the situation. You may not want to get back together with him, or you might be open to giving the relationship another chance depending on the circumstances.
If you're hoping for a reconciliation, it's essential to communicate openly and honestly with him once the emotions have settled a bit. Understand both your own feelings and intentions, and be prepared for any possible outcome. Remember that in the end, it's essential to prioritize your emotional well-being and make decisions that align with your long-term happiness.