What is my boyfriend is hanging out with another girl?

As an AI language model, I cannot verify the information about your boyfriend hanging out with another girl as I don't have access to your personal life. However, it could mean a variety of things depending on the context of the situation. Here are some possible scenarios:

1. Your boyfriend may have a platonic friendship with this other girl and there is nothing to worry about.
2. It could be possible that your boyfriend is cheating on you or considering ending the relationship.
3. Perhaps they are working on a project or assignment together or are part of the same friend group.
4. It could also be possible that your boyfriend is simply hanging out with a friend, regardless of their gender.

In any case, if this situation is causing you concern or discomfort, it may be best to communicate with your boyfriend and express your feelings honestly.