"So What Are We Doing?": The Invisible List One Partner Always Carries

You made the reservation. You checked the weather. You packed the bag. They woke up and said "so what are we doing?" They are not lazy. They genuinely did not see the work, because it was invisible to them, happening before they entered the room. You are a person who thinks in checklists; they are a person who thinks in moments. You prepare; they arrive. And the gap between preparing and arriving is where resentment lives.
You cannot stop planning, because the anxiety of unplanned things crawls under your skin. They cannot start planning, because it does not occur to them that something needs managing before it becomes a problem. Neither of you is broken. You just run on different operating systems, and neither of you installed the translation software, so you carry the invisible list, and they enjoy the result, and you resent them for enjoying what you built while they slept.
The traits are Conscientiousness and Anxiety
The planner runs high on the Orderliness and Dutifulness facets, and often on Anxiety, which is why unmanaged things feel physically unbearable and get preempted automatically. The arriver runs lower on those facets, so the need to manage a future situation simply doesn't register until the situation is present. The mental load lands on the planner not because the arriver is selfish but because the planner's nervous system does the work before anyone asks, and invisible work is easy to enjoy and easy not to notice.
The fix is to make the list visible and shared: the arriver can't see labor that happens off-stage, so the planner has to put it on-stage, assign parts of it, and stop silently absorbing all of it. A partner who has never been shown the list isn't refusing to carry it. They genuinely don't know it exists, and resentment for an invisible burden only clears once the burden is named out loud.
Where each of you sits on the Orderliness, Dutifulness, and Anxiety facets that decide who carries the load is measured by the 30-facet OCEAN personality test in about 15 minutes, with domain results free, and a compatibility report shows why one of you plans while the other arrives.