What is my ex liked my instagram post?

As an AI language model, I cannot provide any information on your specific circumstances. However, generally speaking, liking an ex's Instagram post can hold various meanings. It could be a sign that they still have feelings for you or that they want to keep in touch. It is also possible that they are just being friendly or trying to stay connected with your life. Ultimately, the intention behind liking your post is subjective and depends on the context of your relationship with your ex.