If you have dreamed of having sexual intercourse with your sister-in-law in your dream: the issues that require use are in the foreground, the beginnings of the issues you are responsible for may come to the fore. To have sexual intercourse with your sister-in-law in your dream means that your married life will not be in the way, your troubles will increase, you will exhibit behaviors that will open your relationship with your spouse, you will have trouble, you will not have peace. It corresponds to the wrong steps you will take.