(((((((((((DePressMe))))))))))))))
I felt the exact same way when I came here - I thought that people knew each other and me coming in was barging in. Then I was afraid of hurting anyone, and then forgetting who was who and what everyone's "mini life story" was so I could be the most helpful to them when they needed it.
It gets really confusing sometimes!
Eventually it got easier, but the minute I "leave" or cut down on the amount of time I'm here - new people join and I don't get much of an oppurtunity to get to know them better.
It's just a very big supportive site, with a lot of members - and a very good number of active people!
I say don't worry about it, you're being supportive in your own way and that makes you a very good person. Don't be afraid to say what someone else has said, that just validates whatever is being said
But yeah, perfectly normal as I see it.