A well-timed smile can work wonders. Make your smile look as natural as possible, and use it to express self-confidence and an appreciation of the company you're presently keeping.  Smiling is especially important if you are trying to make a good impression on a woman. Typically speaking, a man has more physical power than the average woman has. Most women know this and will stay away from you if they perceive you to be potentially dangerous or violent. Smiling sends the message that you are friendly and less likely to be a threat.  Make sure that you are smiling and not leering, though. An appreciative grin or quick flash of your pearly whites is all it takes. If you stare her down hungrily with a huge smile plastered across your face, you could end up seeming more creepy than suave. While there can be some appeal to a guy who seems a little aloof, aloofness and suaveness do not blend well. If you want to be a suave gentleman, you need to use body language that seems warm and welcoming so that the people around you feel comfortable.  An example of closed body language would be crossing your arms. This puts a physical barrier in between you and he person you are speaking to. Likewise, pointing your body or head in a direction pointing away from the person you're talking to conveys the message that your attention is directed, in part, toward something else.  People revert to closed body language because it feels safer and reduces the risk of rejection. To seem suave, you need to expect and invite people to accept you, which requires open body language. Eye contact lets the people around you know that you're listening and paying attention to them. Plus, focusing on eye contact can prevent your eyes from straying to other areas that you could get in trouble for staring at.  Direct eye contact can also make you seem more attractive to women. It produces a physiological response that keeps the brain interested, and as a result, you seem more interesting, as well. There is such a thing as too much of a good thing,...

TL;DR in Indonesian:
Kuasai cara tersenyum yang tepat. Tampilkan bahasa tubuh yang terbuka. Lakukan kontak mata. Anggukan kepala. Berdirilah dalam jarak yang lebih dekat. Pelajari kekuatan sentuhan. Tunjukkan kepercayaan diri Anda. Jadilah pria jantan yang lembut.