Interpret a dream... two kinds of pain!?

You either suspect your bf is looking around at other girls or he is interested in someone else or he is cheating on your or you feel deeply insecure about the relationship. Giving him the finger is not a grown up gesture, so as a dream symbol it indicates a certain amount of immature in dealing with emotional issues. The other details of the dream seems to indicate that you should be cautious in who you trust. Injecting you at the end with battery acid or sulfuric acid is your way of saying to yourself that he has injected you with pain or hurt or negativity.