Hey Emily, welcome to the forums.
Maybe, for the first time you go, you can bring a family member or a friend along?
Or, maybe you can contact the organisers of these groups and talk to them via email or something similar?
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I'm a straight guy, '80s geek, and musician.
As a musical term for sure, "the '80s" imply the late '70s and early '90s. You can think of them as tapers of this golden decade.