Thriving Is More Than Feeling Fine

Psychologists who study wellbeing draw a real distinction between two things people often treat as the same. Feeling good in the moment is one measure.
Flourishing, having purpose, growth, real engagement with your own life, is a separate one. Research consistently finds the two don't always move together.
Someone can report feeling fine while flourishing very little. The reverse also holds.
I often think of thriving as a slightly more honest word than happiness. Happiness can survive on very little, a decent cup of tea, a quiet afternoon, nothing actually moving.
Thriving asks something else of the measurement. Not just how does today feel, but is there real growth happening somewhere in this life, is there purpose still doing some of the driving.
Two women hold hands, laughing, mid stride across grass, clearly not merely fine in that moment, something closer to fully alive in it, the difference visible even from the outside. I think I spent years mistaking the easier, more available measure for the real one, since fine asks so little of a day compared to what actual flourishing seems to require.
I'm trying to ask the harder question of my own days now, not simply whether they felt fine, but whether anything in them was actually still growing, still asking something new of me. That's a slower question to sit with than the one I used to settle for.
I've stopped being satisfied with fine as the finish line. Fine was never actually the ceiling.
It was just the easiest floor to mistake for one.