>>17
http://d.hatena.ne.jp/keyword/%C0%E4%C2%D0%CE%CE%B0%E8?kid=24613
There seem to be varying schools of thought on the subject as this site has a skirt:gap:sock-above-knee ratio of 4:1:2.5. Anyway, as long as the knees are covered by socks and there's some kind of gap, it should be enough to suffice for a real person, as well as allowing for a somewhat modest skirt length. However, we're going off on a tangent here.

>>12 brings up a good point about certain types of contradictions in character, the "moe gap". The clumsy girl who always tries hard. The tsundere. The loli face with big boobs. It's a fine balancing act between innocence and experience, honesty and self-denial. Like he said, affection is important, and all the more effective if you can make him conscious of the exclusivity of your feelings.

All we know about her is that she doesn't think she is as good of a person as her boyfriend. This could imply almost anything, from cutting to wierd fetishes to simply underacheiving in school or work. I wish she would reply and tell us more.