This dream may symbolize your current feelings about your family and your living situation. The temporary home represents a sense of impermanence or instability in your life. Your second oldest child and his girlfriend having the master bedroom could represent a shift in power dynamics within your family, where your child is now taking on a more dominant role. The large mirror on the wall may symbolize self-reflection and introspection, but the fact that you don’t see your own reflection could suggest feelings of being overlooked or not fully seen in your family. The brown border on the mirror could represent grounding and stability, while the cleanliness and clarity could symbolize a desire for clarity and order in your life. Your son sleeping in the closet could represent feelings of being confined or restricted in your own personal space. The public pool and strangers could symbolize a need for social interaction and connection. The beach ball going flat could represent a fear of losing fun and playfulness in your life. Overall, this dream may be reflecting your subconscious thoughts and emotions about your family relationships and living situation.