What did this girl mean to say?

There is a girl who i have seen a lot, but we aren't even friends.

I’m a bit introverted and she started asking me why I’m so shy. I said “i dont know”. She then asked “have you never talked to girls? Dont you have a girlfriend?” and i said that i dont.

she then said to me “i can be a good teacher”. After that i didn't really say anything because i had no idea what she meant by that.

What did this girl mean to say?
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