Hey MH72 and congratulations on your sobriety. This is a tough time for newcomers, I think. I have just over 90 days and I am still right there with you with raw feelings and worrying about not drinking around relatives and needing to explain it.
What helps me is to slow down. I tend to hurry through things, in my mind and in life. Take deep breaths and pray a lot. That helps with the anxiety. Reading my BB and other literature and writing in my journal are other ways I cope as well as calling my sponsor.
For the mood swings, I don't know what to tell you. Go to as many meetings as you can and listen to other alcoholics. We are kind of all in the same boat.