I can't speak for every tall girl out there, but in my case I think it's because of my childhood. Beginning in the second grade I was taller than any of my teachers. This continued up until 8th grade and I took Mr. Gregg's US History class. read more
The same reason girls are insecure about their weight, because girls (and guys) are going to feel some measure of insecurity about things that are perceived as flaws, which they will be if they are different from the average or ideal. read more
Actually it's mostly tall girls who are insecure about their height. Not saying that short girls are never insecure about it, but it's generally us tall girls who are always told we're too tall to date or that being tall is freaky and abnormal because women are supposed to be short or something. Short women really don't have anything to worry about. read more
Maybe she’s insecure because she feels like an outcast compared to other girls. The average height of a girl is 5’4 – 5’5 and I would consider the girl tall. But like you, it doesn’t really matter. Trust me I was in her situation. I was (and still am) 5’7 and I thought tall was a turnoff. read more