Jotaro is basically a cool and calm personality, with little change in expression. That is why others regard him as a cold, rebellious, and indifferent fellow. However, in reality, it is a just personality, and I think that those who trust will be able to quickly recognize their thoughts, so I just don't express them very well. Therefore, he often gets into trouble with others and seems to be always blunt, but in fact, he has a heart that cares about and cares about others more than anyone else.