"I like guys who are confident but not cocky, who are comfortable with themselves, and who know what they want"

This quote by Mischa Barton talks to the value of self-confidence and self-awareness. She is suggesting that a desirable quality in a partner is someone who is confident in themselves, however not excessively so. This indicates that they are protected in their own abilities and have a good sense of self-regard, but they don't let it go to their head. They also have a good idea of what they desire out of life and are not afraid to pursue it. This type of individual is likely to be more effective in life and relationships, as they are not afraid to take dangers and are comfortable with themselves. They are also most likely to be more appealing to potential partners, as they are not scared to reveal themselves and are not scared of failure.