I Feel Like My Dreams Are Telling Me Something

In my dream this morning I'm sitting in the passenger seat of a sedan. My ex is driving. I have my seatbelt on. We're on a country road. She has the cruise control on. Suddenly she laughs and jumps into the back seat. Very frightened I reach for the steering wheel but can't. My current GF, the one who won't commit, is holding my arms and also laughing. I wake up. Suggestions as to what that means?