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.
Cafeteria
To dream of yourself in a cafeteria symbolizes the problems that you are currently facing in your waking life.
Adversary
To dream that an adversary takes you on, you will fight affronts against you or your relevance.
To dream that you defeat an adversary, you will avoid the impact of a major catastrophe.
Breakfast
To dream about breakfast implies that you are about to embark on a new journey or direction in life. It may simply mean that you are planning your breakfast for the following day. Your mind can often assimilate insignificant ideas into dreams as well.
Tug Of War
To dream that you are playing tug of war suggests that you need to find a balance among the many aspects of your life. Learn to manage your time.
Horse Race
Horse races often evoke strong emotions like competitiveness, challenge, and power. It gives a feeling of being on top.
To dream of a horse race indicates similar emotions. It may also reflect sexual energy.
Upholstery
To rip upholstery in a dream symbolizes uncovering inner strengths.
To dream that you re-upholster a piece of furniture represents self-renewal and reinvention.
Competition
To dream that you are in a competition suggests that you should broaden your horizons and try something new. It is important to possess more determination, drive, and stamina. Voice your opinions and express your emotions with more confidence.
To dream that you win a competition indicates that you have the ability to achieve your desired objectives or resolve a troubling issue.