As the above definition shows, when you compliment a girl, you are telling her that some part of her, at least in your opinion, is exceptional. Something about her is above everyone else in that particular area. That thing can be anything: her style, the way she does her job, her little fidgety habits, or yes, the way she looks in that dress. 7. She acts aloof towards you. On the other hand, some shy girls go the other way around when they have a crush on you by acting cold. For instance, if she talks to other guys, but not you, it's not always because she thinks she's too cool for you. If anything, it's that she's convinced she's not cool enough.