She says that all her past boyfriends were overly confident types. Although she's been told since childhood that she's cheerful and positive, she actually never had that much self-confidence. Rather, it was her desire to be seen that way that made her act more assertive. Behind that facade, she was partly playing the role of someone self-assured—someone she secretly admired. However, in reality, every boyfriend turned out to be troublesome: they never listened to her, only talked about themselves, acted selfishly, and dismissed others' efforts by mocking them as "just lucky," revealing their difficult, egotistical personalities.