Dreaming about your ex’s sister can be a complicated experience. Depending on the context of the dream, the dream could be interpreted in a variety of ways.
If you dream about your ex’s sister in a negative or aggressive manner, it could signify unresolved feelings of anger or resentment that you may still harbor towards your ex. If you feel like you are competing or arguing with her in the dream, it may indicate that you are still competing for the attention of your ex, and feeling like your ex’s sister has taken something away from you.
On the other hand, if you dream about your ex’s sister in a positive or friendly manner, it could suggest that you have come to terms with the end of your relationship and are ready to move on. This could be a sign that you are open to new possibilities and relationships in your life.
Finally, if you dream about your ex’s sister in a neutral or indifferent way, it may indicate that you are trying to detach from the situation and not let it affect your life anymore. You may be trying to move on from the relationship and avoid any further contact with your ex.
Ultimately, the interpretation of a dream about your ex’s sister will depend on the specific details of the dream, as well as your current emotions and attitude towards your ex.