I started skipping the holiday parties even before I quit drinking. They just weren't fun.
It's OK to be slothful for a bit. I was always go go go go go when I first quit. Manic in keeping busy and that was no good either. For me, continued, healthy recovery is about achieving balance.
And posting and reading here even when I don't feel like it. It helps get me out of myself.
Keep doing what you're doing. Each sober day is a victory. You build from experience.