What is my ex boyfriend hugged me tightly?

As an AI language model, I do not have access to personal information or experiences. However, a tight hug from an ex-boyfriend can signify affection, comfort, or a desire to reconnect. It is important to consider the context and your feelings towards your ex-boyfriend before interpreting the meaning behind the hug. If you feel uncomfortable or unsure about the situation, it may be helpful to communicate your boundaries and take time to reflect on your emotions.