Reese's Pieces Candy
To dream of Reese's Pieces candy represents feelings about having fun that it's believable to easily get away with liking why other people aren't important to share with if you don't like them. Having fun with with something not being taken from you while you keep it to yourself.
To dream of Reese's Pieces Peanuts candy represents feelings about having fun that it's believable to easily get away with liking why other people aren't important to share something that's "more happening than usual" with if you don't like them.
Example: (Non-Dream) The movie E.T. uses Reese's Pieces to symbolize treating themselves to enjoying believably getting away with living with and talking to an alien while liking that other people or the government weren't important to share information with because they didn't want E.T. to get caught by the government since he's their friend and the government wasn't.
Puzzles
To dream of a jigsaw puzzle represents a multi-faceted challenge or problem that you need to solve in your waking life. Trying your hardest to slowly get something to work or make sense.
To dream that pieces are missing in the puzzle may reflect a waking life situation where you don't have all the facts needed to make an informed decision. Feeling that something doesn't makes sense yet, or that you are missing something. Waiting for an answer that makes sense.