Curiosity has more than one doorway
Some people seek new places; others revisit one event from many angles. Interest may turn toward people, systems, or hidden rules. A quiet life can still contain a mind full of moving questions.
What matters is not how much you know, but whether the unknown makes you want to find a path through it. Curiosity gathers new things, but it also lets us see familiar things again from another angle.
Fear is not the opposite of curiosity
An unfamiliar person or value may feel frightening before it becomes interesting. Some people first guard against what they cannot predict, then observe it, look for its rules, and gradually make it understandable.
A strong need to understand can also make unanswered questions exhausting. You do not have to solve everything, and understanding something does not require agreeing with it.
Knowing a person is not classifying them
Categories can offer an initial map, but they do not settle who someone is. The same behavior can arise from very different reasons and circumstances.
A useful hypothesis remains open to revision. Leaving room for exceptions turns curiosity from a way of enclosing people into a way of approaching their differences.
Curiosity is allowed to rest
You may research one interest without end and have almost no energy for another. That may reflect the uneven direction of attention rather than weak will.
Private learning already has value when it is enjoyable to you. A day when you cannot think does not mean your curiosity has disappeared.
The contour of curiosity appears not in how far you travel, but in what makes you stop and which questions you cannot put down.