You might be too new to the website to send private messages (PMs) to people.
http://www.3fatchicks.com/forum/freq...questions-155/
That should help answer some of your questions.
When you're able to PM, you look to the left of your screen. See the person's username that is a link? click it. One of the choices will be: "Send a private message to ___" Once you click it, you'll be able to send a PM.
Also, if you're worried about finding a thread again, you can bookmark it in your browser. Or you can subscribe to the thread.
to subscribe to the thread:
go to the top of the page, where your first post is.
Click on "Thread tools"
Click on "subscribe to this thread"
To find your subscribed threads, scroll to the top.
Click on "User CP" at the far left.
On the left side of the page, under the heading "subscribed threads"
click on "list subscriptions"
voila!