For example, simply by her response and the way she starts to deliver her answer, you can tell how open she is to having a conversation with you. For example, if she smiles and lights up little bit, you know you have a good chance to make something happen. Plus, if she’s not as attractive as you thought she was from afar, you can just ask the Starbucks question and let her give you the directions, then walk away. It’s very low risk.
