This dream may symbolize feelings of betrayal and conflict in your waking life. The presence of your brother and boyfriend in your car could represent the important male figures in your life. The fact that they are cheating with another woman may suggest feelings of insecurity or mistrust in your relationships. The coffee cup used to hit your boyfriend could symbolize your anger and frustration towards him. Walking with a friend may represent seeking support and guidance from someone you trust. The porch swing could symbolize a desire for stability and comfort in your relationships. The silver quarters on the plate may represent material possessions or wealth, and their presence in the dream could suggest a fear of losing these things due to the betrayal. Overall, this dream may be reflecting your fears and concerns about your relationships and the potential for infidelity and conflict. It may be a sign to address any underlying issues and communicate openly with your loved ones.