To dream of a living room represents mental or emotional comfort. Usually a symbol for being very relaxed or unconcerned about an issue or situation. Thinking that nothing is wrong. It may also reflect personal time or feeling that you are done with the hard work of a situation.
Negatively, a living room may represent laziness or being too comfortable with a situation.
Example: A woman dreamed of people walking into her living room and dumping piles of poop. In waking life she ran a counseling practice and was starting to feel that she was taking too much work home with her. The living room scenario reflected how she was too comfortable taking care of everyone else's problems during her personal time.
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