This, however, also works against her, since she tries to hide illnesses like Angel Toxicosis and Chronic Angelus Crystallus Inofficium from the others, forcing them to discover them on their own. Because she does not want people to worry or keep their minds from their goal, she hides all her suffering and burden, bearing them all alone. As the game continues, Colette begins to show more of the negative aspects of her selflessness. This is one of the clear differences between her and Zelos, the Chosen of Tethe'alla, as Colette accepts the differences, even if she does not like them, while Zelos tries to find a way to get rid of them.
Colette is also very self-conscious and wishes she were not different, because it is because she is different that she never was able to live like a normal girl. She is brave and quick to do what she believes is right, but she is not very self-confident, and can be slow to decide what the right action is, most of the time asking Lloyd to decide for her stead. She is quick to take responsibility, and puts everybody above herself. As the Chosen of Sylvarant, she prays for the world's safety every night. She can also appear somewhat clueless, as she misses some things that are obvious to everyone else, as telling an assassin who is after to kill the Chosen that she is the Chosen, and worrying for her afterward when she falls down a pit. This causes Sheena Fujibayashi to claim that her clumsiness is truly blessed.
Throughout the game, Colette is shown to be fairly clumsy, at one point even receiving a title called "Klutz", and her repetitive tripping causes the most unusual things to happen, from making a hole in the wall at school to deactivating the most complex of machines.