Thank you! I've been reading through older posts and I'm probably not going to post any questions about it since so much has already been posted in old threads -quite informative!
I found an old thread called "I don't get AI"
and I get the impression that a lot of girls that were in a sorority in college don't like the idea of someone joining after college... I don't get it but it almost makes me feel that the kind of sisterhood I expected to find through a sorority after college may just not exist.
Regardless, I will keep reading and do as you suggested and ask friends that actually did the sorority thing in college for help. =)
(I wish I would've found this forum my freshman year in college!)