Based on or acting on good judgment and practical ideas or understanding:
Sensible
People who only thing about themselves.
Selfish
Not at ease with other people or things.
Shy
A person who is extremely angry
Furious
Telling the truth or able to be trusted and not likely to steal, cheat, or lie
Honest
Interested in learning about people or things around you
Curious
Someone who won't break your trust and your know that your can trust him or her.
Faithful
People who are very unhappy.
Miserable
An energetic person who enjoys being with other people.
Extrovert
A stubborn person who wants to do what he or she wants and refuses to do anything else:
Stubborn
A person who believes that he or she can do the given task.
Confident
Someone who is shy, quiet, and prefers to spend time alone rather than often being with other people
Introvert