Develop an aura of sexiness

[apollolux]

I have done a lot of social experiments on this, and what I find is that when a woman likes me, she: [ ... ]

Not to hijack, but my one-itis did all of these to me and when I called her out on her signals she insisted she wasn't interested in me. What should I have done from then, and what would allow women to be more direct about their feelings instead of pretending for the sake of plausible deniability?