Why do I feel awkward when talking to girls (as a girl)?

to start with, i'm a shy person and i used to be a big introvert as well. but what's surprising me is the fact that i'm pretty awkward with girls - and i'm a girl. okay, me being awkward with boys is understandable, because i've never used to talk to them, but when i was a kid i had no problem talking to other girls, everything was normal. i've came up with a few theories of why it is like that now. the thing is, i'm bi (so i like girls as well), but i'm not really sure if this can affect my awkwardness/nervousness when i'm interacting w them. well the second theory is just that i'm still a shy person, but on the other hand, i know many shy girls that are actually doing well when talking to other girls.
pls help, i'd really like to find out the real reason behind it. thanks πŸ™πŸ»
Why do I feel awkward when talking to girls (as a girl)?
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