To dream that you (or your mate) have a mistress, suggests your unconscious desire to end your current relationship and are finding ways to sabotage it.

Alternatively, you feel neglected in the relationship. Perhaps you feel that you are not measuring up to the expectations of others, in particular to your mate.

To dream that you are a mistress, indicates your desires for the finer things in life.

To see a mistress in your dream, suggests that you or someone is being lured or tempted into some negative activity.