Women also have a far greater range of signals then what men do.
Men always have a habit of displaying preening behaviour when a women approaches.
Men will often straighten their jacket, shirt or other clothing. They may also rub their hands across their hair. The male may also place his thumbs in his belt pointing towards the genital area. Men also will tend to point their foot at a woman. You will find that he will use an intimate gaze and hold that longer then per normal.