Hot weather would be the answer
The tendency of these people, wherein 10 of them are psychology majors and all of them believing that they will become psychologists, to make predictions about one's life so self-assuredly is called overconfidence.
Being overconfident may have its own pros and cons depending on the situation this behavior used in.
I’m not sure but one year my sister was an Egyptian for Halloween and she had like a whole empire of friends with her it was really weird. And like Ancient Greece