One big, warm, tight, hug, handshake and howdy, moose-size official type welcome to the site.
This place is amazing!
I'm not familiar with MG, (Moose has the MS) but we have members here who are and even a forum dedicated to it. Being scared and depressed is OK. Why? Because you came to a great place for support and;
You are not alone.
You are one of us.
And we are here to help.