Reactivity usually stems from stress, and stress can come from all sorts of places - work deadlines, personal expectations, or simply the daily juggling act of life. When we’re in a state of stress, our nervous system goes into overdrive.
A trigger is anything in your environment that taps into an unresolved emotional wound. It’s the salt on the wound. If you had a physical cut on your hand and someone poured salt on it, it would hurt. But if your skin was healed, the salt wouldn’t bother you at all.
Doing involves actions and tasks—it's about what we do. Being, on the other hand, is about presence—it's about how we are. The outward action is the same, but the inner experience is vastly different.