Dreaming of hugging your ex-boyfriend can symbolize a range of emotions and thoughts related to your past relationship. Here are a few interpretations to consider:

1. Nostalgia: This dream might indicate that you're feeling nostalgic about your past relationship. You may be reflecting on the good times you shared and the emotional connection you had.
2. Unresolved Feelings: A hug in a dream can represent comfort and affection. If you still have unresolved feelings for your ex, this dream might suggest that you are processing those emotions.
3. Healing: Hugging someone in a dream can also signify a desire for closure or healing. You might be seeking to forgive or come to terms with the end of the relationship, either for yourself or for your ex.
4. Self-Reflection: This dream could prompt you to reflect on what you learned from that relationship and how it has influenced your current feelings and relationships.
5. Desire for Connection: If you are currently feeling lonely or disconnected, dreaming of hugging your ex might highlight a longing for intimacy or affection in your life.

Consider your current feelings and circumstances, as they will provide more context for the dream's meaning. If you feel comfortable, journaling about the dream and your feelings towards your ex can help clarify your thoughts and emotions.