Flirt. Be charming. Hopefully, be yourself. On the rare occasions it starts to go your way, "paddle like hell and catch your set." Don't get bashful when they start to open up and let you in. If it goes further than a one night stand, figure out what they want and their boundaries - not what they "say" about their boundaries, but what they "tell" you about their boundaries. Boundaries are not limits. "Limits" imply they do not move. "Boundaries" fluctuate with experience, influence, charm and a lot of persuasion. Be discrete. Be discrete enough to protect their privacy, but bold enough to make them feel its in jeopardy. Touch the woman in public. Different locations, different places and to different degrees. See how she reacts. Just as important, see how the husband reacts. Take note. This will tell you volumes about the future and what's possible.