so i`m 5`9 and i`m a girl. i personally prefer someone who`s 6` at least but ye if someone is 5`9 and a really awesome person then i don`t mind tbh. Maybe the girl is only looking for height rather than personality/ other features etc. Generally, if she`s tall, she is most likely to prefer a taller guy but again, i am generalising massively.
i think for me it`s more if you`re 6'0 and chubby then that`s an immediate no-no lookwise, whereas if you`re 6'0+ and slim then i`m generally more open. But ya that`s just my opinion.
to answer your question, i think most heterosexual girls who like to feel super feminine like the height difference because it makes them feel more feminine? If that makes any sense. It`s the same thing with having a guy with broad shoulders etcetcetc
was she only fussed about the height alone? or was there maybe a personality incompatibility too?