"Grounding" is a practice that pulls the wandering mind away from flashbacks, intrusive memories, rumination, and other challenging emotions. Grounding is akin to returning to the save room to temporarily exit and manage with what's in your inventory box. The idea isn't to avoid our emotions and experiences, but to recognize how to assess and respond to the situation with the tools we have at hand. For those already living with heightened anxiety as a baseline, it can be extremely difficult to respond to intense physiological responses. That's why grounding is a practice.
Practice doesn't make perfect. Practice makes habits.
I'm still practicing. here's a few tricks I've used to manage
Be aware that all strategies don't work for everyone and that health is relative. Nobody in health-related studies really 100% agrees on the definition of "health," "wellness," etc. Don't complicate these things. So, what do you do to ground yourself to reality?