She acts like your girlfriend but won't say you're exclusive

Look at what she does when nobody is asking her to. She texts you first on most days, plans weekends with you, meets people in your life, and talks about you like you two are close. The label is the one piece missing, and that usually means she is protecting her options or checking how much you will accept without one. It does not automatically mean she is seeing other people, though it is fair to ask yourself whether you would be fine if she was.

Pay attention to the wording of her refusal. Not wanting to define things yet is different from saying she is not interested in anyone else right now. The first leaves room for something to change. The second is a commitment in disguise. Also notice whether she ever brings up the future without you prompting her. If she mentions a trip or next month on her own, the defining question may simply feel heavy to her at this stage.

Your reply has to do three things, and persuading her is not one of them. First, it names the gap plainly, the one between how things look from the outside and what she has said about them. Frame it as your experience, like you have been treating this as a relationship and need to know where it stands. Second, it asks one question she can answer in a single line, so the conversation stays small enough for her to be honest. Third, it tells her what you will do with the answer. People skip this part, but it is the part that tells her this is not a fishing trip.

Keep the message short and calm. Long paragraphs read as an argument, and she will argue with the length instead of the point. Skip the sarcasm and do not stack three questions together, because she will answer the easiest one and ignore the rest.

Send this when you are not carrying a fresh hurt. A message written late at night after a few drinks tends to come across as a test, even when you mean it as a question. Pick a daytime window when you could hear either answer without it wrecking your evening. If she replies warmly but vaguely, do not treat that as a yes, and do not pounce on the vagueness either. Give it a few days and watch whether her behavior changes to match what she said.

If she goes quiet, wait about a day before following up, and make the follow-up shorter and lighter than the first. One follow-up is enough. If the silence runs past a week, or she only replies to logistics, you have your answer about where she stands. Stop starting conversations, let her come to you, and decide in advance whether that arrangement is one you can live with.