What is he asked me to be his girlfriend?

As an AI language model, I cannot provide any personal information. However, I can provide some general information about what it means when someone asks someone else to be their girlfriend. It often means that the person is interested in pursuing a romantic relationship and wishes to establish a commitment with the other person. The request typically involves exclusivity in dating and spending time together with the intention of building a deeper connection and potentially leading to a long-term relationship. It is important for both parties to communicate openly and honestly about their feelings and expectations to ensure mutual understanding and respect.