Cheating 
To dream that you are cheating on your spouse, mate, fiance, or significant other, indicates that you have let yourself down in some way. You may have sacrificed your morals and ethics and received little or no benefits in return. It may also represent your increasing desires or fantasies regarding sex. Often, those who are about to enter into matrimony may dream about sensual encounters with other people. This may symbolize the anticipation or apprehension regarding this relationship.
To dream that your mate, spouse, or significant other is cheating on you suggests that you have anxieties about being neglected and deserted. Perhaps you don't feel as if your partner is giving you his or her complete self. On the other hand, this dream might evolve from the feeling that you are not good enough for your partner. You lack faith in yourself or others. It may also mean that you sense your companion is not revealing his or her true character or personality to you.
To dream that you are cheating at a game is an indication that you are trying to avoid certain aspects of your own personality. You don't want to admit your flaws or weaknesses.
Niece
Seeking your niece in dreams denote unforeseen hardships and needless anxiety over the future.
Lover
To dream of a lover represents recognition, self-worth, and acknowledgment of your true character. It may suggest a merging of both your feminine and masculine attributes. You are fulfilled and secure with the person that you are.
To dream of a former lover indicates that you have hang ups and loose ends relating to that specific relationship. Your present relationship may be indicating possible recurrence of those same issues.
Defend
To dream that you must defend your home, possessions, or loved ones shows that you may be feeling under attack in your waking life. There could be a question of honor that needs to be addressed.
To dream that another person is defensive toward you is an indication that you may be enduring an untrustworthy connection with someone. The message from your unconscious is to have faith in your intuition as it is most likely correct.
Wedding
To dream of a wedding indicates your life is about to change. An aspect of your waking life is ending, but another is about to begin. In many cases, you may feel negatively about the wedding you see in your dreams. This is typically meant to bring to mind a fear or anxiety from your waking life. You may have some feelings of sorrow, or a loved one may soon pass. Conversely, it may indicate a fear of commitment. Consider your relationships; are you getting ready to take one to the 'next level?' Are you scared to do so?
If you dream of remarrying your husband or wife symbolizes your strong love and faith to each other. Marriage has suited you well. Your marriage may be about to change as well. Are you considering starting a family?
If you are dreaming of planning your wedding, but have never met your future spouse, it is an indication that you have found harmony and balance between your feminine and masculine sides.
Conversely, you may be struggling from a lack of balance between your more instinctive side and your softer emotional nature.
Husband
To dream of your husband indicates your feelings for and relationship with him.
To dream of having a husband when you are single points to relationships in general. Most girls look for their father's personality or traits while choosing their life partners. Those traits often represent the male side of a girl's character. All this is represented when a girl dreams of a husband with all those traits she admires or dreads.
Marriage
To dream of a marriage represents change, harmony, and obligations. You are facing a significant stage in your life where you will begin a new journey. It may also symbolize the joining of your various attributes and characteristics, especially the male and female attributes.
To dream of a marriage proposal indicates that some issue will influence you negatively.
To dream that you are getting married to your ex implies that you have come to terms with lessons and errors that you made in that relationship. You have been able to grow and discover new truths about yourself. It may also suggest that if you are in a relationship now, there are similar aspects as your previous relationship. You will not commit similar errors though. You have learned how to make changes.
*See Wedding.
Adultery
To dream that you've committed adultery means that you could have sexual desires or be sabotaging yourself. This likely comes from the root of your subconscious mind. You could be drawn into an issue that is not within your best interest such as a legal situation.
To dream that your mate or spouse has cheated means that you have concerns about abandonment. You may sense neglect within your own relationship. You could also feel as though you're not living up to what others want from others.
To dream that you are cheating with your friend's friend means that you're probably feeling forsaken by your own self.
Flirting
To dream that you are flirting indicates that you feel a desire for more intimacy and affection. You may be ready to enter into a serious relationship in the near future.
Engagement
To dream that you are engaged to be married suggests your desire for intimacy or companionship. You could be attempting to quell your sense of isolation.
To dream that you end an engagement suggests a quick choice about something vital that you should think through.
To dream about a business engagement indicates fear or anxiety within your career life.
- 1