Grapefruit 
To dream that you are eating grapefruit indicates that you feel mentally recharged and fresh. You are happier lately as a result of a boost in energy and spirit.
To dream about a grapefruit tree represents your abilities, faith, morals, and your good deeds. It could also indicate the 'fruits' of your effort.
Celebration
To dream of a celebration symbolizes your quest for excellence and perfection. This dream may also be a way of giving yourself praise for reaching your objectives and for accomplishing difficult tasks. Perhaps you have performed a remarkable feat or you have helped someone out in a generous way. It can also represent liberation from a restricting issue or situation. These dreams are often an indication of a significant change or transformation in some aspect of your life.
Credit Cards
To dream about credit cards symbolizes your merit, importance, and integrity. They may indicate your opinions and feelings you have about financial obligations, your occupation, and frugality.
To dream that you lose your credit cards implies that you are being irresponsible with a matter or situation in your life.
To dream that someone is stealing your credit cards indicates that your life is being negatively influenced by some matter or issue.
Roller Coaster
To dream of riding on a roller coaster is a portrayal of the highs and lows in your life. This may be caused by your life choices and outcomes.