Yeah, being laid back has many benefits imo... its best to rarely talk about yourself and bring others up, so I only talk about myself when prompted. With girls, I don't meet as many, but once I'm able to get the attention of one and begin conversation, it's really easy. I have a very high success rate when grabbing a number because of the relaxed casual attitude displayed. When you're laid back you never appear to be in a rush, and when you talk about her with genuine interest, she respects you in return (the good ones anyway).
The best things to do to develop a laid back persona are to talk about her by asking open ended questions, work on your self-control by focusing on controlling your emotions, and meditation with a focus on developing the proper personality. It helps tremendously be as relaxed as possible while taking care of the sticking points, such as grabbing the number, calling for first date, kiss, etc... because you are in control and girls get wet for that stuff.
Being laid back is great and all, but you can overdue it. Action needs to be taken at the correct moments. Remember to focus on what you want and go for it. Being laid back can help you to see these moments much better, time slows down, and you aren't worried about mistakes as much.
Remember, always build her up with as few words as possible and get her talking. Then listen to her genuinely, nodding in agreement for the most part. Only disagree when you have an opportunity to tease or make fun of her. Get back to her talking, Kino at any opportunity, building, building, building. The rest you can figure out.
This personality has helped me tremendously in my career as well. People love to talk about themselves, simple as that. You get them talking about their passions, then they will like you just for that. My boss gets off talking about himself, I swear. So I just keep listening to him and focusing on him, and you know what? I'm in the lead for a prestigious promotion. Never flaunt yourself around telling everyone how great you are and never give people a reason to envy you, they will stab you in the back. It's all part of being laid back and observing others. Bring others around you up, and suddenly you will be a star man.