Dreams about social gatherings, such as your experience in the 50's diner, can reveal a lot about your feelings and relationships. The diner itself, with its space-age theme and neon lights, may symbolize nostalgia or a longing for simpler times, combined with modern influences. This setting could reflect a desire for connection and community, as diners are often seen as places of social interaction.

Sitting in the center of the booth suggests that you may feel somewhat trapped or confined in a particular situation, perhaps in your relationships or social dynamics. The fact that you and your wife are positioned in a way that makes it difficult to leave could indicate feelings of being intertwined in each other's lives or a sense of dependency.

Your wife's interaction with her male friend and your role with a female friend signifies dynamics of trust and companionship. It’s important to consider how you feel about these interactions. If you felt left out or uncomfortable, it may reflect insecurities or fears about your relationship. Alternatively, if you felt relaxed, it could suggest confidence in your bond with your wife.

The female friend you interacted with, who is unfamiliar to you in real life, might represent an aspect of yourself or qualities you are exploring. Her wavy hair and glasses might symbolize clarity of vision or insight, indicating that you are searching for understanding in a particular area of your life.

The friend sitting on the table could symbolize someone who is breaking social norms or boundaries, which might represent your feelings about social situations or your place within your group of friends.

Overall, this dream may encourage you to reflect on your relationships, feelings of connection or isolation, and how you navigate social dynamics. Consider how comfortable you are with your current social circles and if there are changes you desire to make.