I like this article as it has some good ideas (IMO...I wasn't exactly sure what grounding was, either). This article is pretty straight forward, tho:
Behavior Health Resources
I also wanted to add that it makes total sense you were feeling anxious today...your T was gone for a long time! 
__________________
"Take me with you,
I don't need shoes to follow,
Bare feet running with you,
Somewhere the rainbow ends, my dear."
- Tori Amos
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