A very common dream scenario involves dreaming that your partner is intimate with someone other than you. Although you may feel that your intuition is telling you something, remember that dreams use other people and their qualities to portray you. Consider the qualities of this interloper and whether or not it might represent an aspect of you that is being explored. As you make changes, you may feel insecure about the effects it will have on your relationship. You may dream of your partner with someone 'new' as a representation of the new you.