That is the essence of all female communication. This dude will never be you because it exists in her mind, not reality because women are in love with the concept of love. This ideal dude is just simply a blanket sum of characteristics she wants to feel when she is around a man. The ideal dude is tall because women feel more protected and feminine around tall dudes. She's not looking for a tall dude, she is looking to FEEL protected and feminine.
Courtship is nothing more then a path through a series of locks.
Women put up these locks in hoping that you can get through them. The series of locks is coming apart. We just click. The woman then wants to date you to see how many locks you can open. She wants you to open them all.