Women (girls in this case) are very complex beings. They can "not want to be with you" but still be jealous if they see you with another girl. Contrary to LOGICAL deduction, her being jealous does not equate with wanting to be with you. Her "not wanting to hook up with you" attitude still stands, no matter how much you wish her "checking you out" had changed it.
And although English is likely not your first language, it is "her", not "hear." Sorry, but it felt like fingernails on a chalkboard to me.
