Dreams often reflect our subconscious thoughts and feelings, and your dream seems to have several meaningful elements.

The "perfect utopian society" could symbolize your desire for happiness, peace, and fulfillment in your life. The color pink often represents love and compassion, suggesting that you may be yearning for a nurturing and harmonious environment, perhaps in your relationships or personal life.

The man in the inflatable shark costume is quite interesting. Sharks can symbolize fears or anxieties, and the fact that he is in a costume might suggest that he is not being authentic or true to himself. His blank stare and smile may indicate a sense of disconnect or emotional distance, possibly reflecting your feelings about your recent relationship. The break you took could be causing you to reflect on his true nature or how you perceive him.

Driving away from the utopia to a "normal" society might signify a transition in your life, moving from an idealized version of reality to the more mundane aspects of everyday life. The blackness at work due to the power outage can symbolize feelings of being in the dark or lacking direction in a particular area of your life. It might also indicate a sense of frustration or stagnation in your current situation.

Overall, this dream may be urging you to examine your feelings about your relationship and your current life circumstances. It could be a reminder to seek clarity and authenticity, both within yourself and in your interactions with others. Reflect on what aspects of your life you would like to change or improve, and consider how you can move towards a more fulfilling existence.