This dream may symbolize a desire to reconnect with your past and your family. The family gathering at a restaurant represents a sense of togetherness and celebration, but the reason for the gathering is unknown, suggesting a feeling of uncertainty or confusion in your waking life. Your cousin, whom you are fond of but have not seen in a while, represents a part of yourself that you have lost touch with. Your nervousness and avoidance of him may reflect your fear of facing this part of yourself. The bathroom symbolizes a need for privacy and reflection. Seeing your reflection in the mirror and trying to calm yourself may indicate a need for self-assurance and confidence. The pressed flowers represent memories and nostalgia, but your inability to remember giving them to your cousin suggests a disconnect from your past. The invitation to dance and the choice of a song from your childhood may symbolize a desire to relive happy memories. Your white dress may symbolize purity and innocence, suggesting a longing for a simpler time in your life. Overall, this dream may be a reflection of your desire to reconnect with your family and your past, and to find a sense of peace and comfort in nostalgia.