I would be happy to help assist you in understanding your dream. Mice in dreams are symbolic. They can represent a "nuisance" or something pestering in your life. However since they are white. White is the color of being made pure. Guinea pigs relate to responsibilities. So it seems you are taking responsibility from something in your life that maybe pestering you? #3 is for completion. Something coming complete in your life relating to these responsibilities. If you have anymore questions please feel free to ask.