Rissa!
Rissarissarissa!

One big, warm, tight, hug, handshake and howdy, moose-size official type welcome. This place is amazing!

You've already got some great info from our members. Try not to let it all overwhelm you. Small doses, if you will. There's some info on the web on MS that is really out-of-left-field type stuff and from time to time even 'experts' will contradict each other... and themselves. All I can add is;

You are not alone.
You are one of us.
And we are here to help.