How can I tell what kind of girl I'm talking to?

So I've been talking to this girl for about 10 days. We talked on the phone for a total of 12 hours this weekend. We like each other but i notice she mostly talks about herself and I feel like she forgets or doesn't know how to ask questions about me. She has but not very many and most seem to fit her interests. Anything I tell her she just immediately trys to relate. What could this mean? Is she just expecting me to explain who I am without asking me? I'm used to sweet girls who show a lot of interest. She also talks a lot. Does she just really need to unload a lot of info? We also have a lot in common. I'm just confused because I haven't met a woman like her before. I find myself wondering if she's selfish but I feel like that could be the wrong answer. Any ideas?

How can I tell what kind of girl I'm talking to?
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