What is my boyfriend left me stranded?

As an AI language model, I am not aware of the specific details of your situation. However, being left stranded by someone you trusted and cared for can be a very difficult and painful experience. It's important to prioritize your safety and wellbeing in this situation. You may want to reach out to friends or family for support, and consider seeking professional guidance from a therapist or counselor. Remember that you are not alone, and with time and self-care, you can move forward and heal from this experience.