This can work with your Rising/Ascendant Sign, or Sun Sign. To find your Rising Sign, go to http://www.elbertwade.com/atlas.html (I uploaded it on the external link) or Google 'rising sign calculator'.
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Aries: so friendly and smiley, and probably compliments you
Taurus: ignores you until you say something funny or relatable
Gemini: super nice for, like, 10 minutes then backs off and doesn't talk to you for 2 hours
Cancer: won't talk to you until you talk to them/seem engaged
Leo: obsesses over you to make you like them
Virgo: makes a joke, if you laugh they talk to you... if you don't, they probably ignore you
Libra: probably makes some weird judgement about you at first so they basically ignore you, but then acts like your BFF after you talk to them
Scorpio: laughs at your jokes, but doesn't really talk to you a lot
Sagittarius: intimidating at first but still cool
Capricorn: AWKWARD
Aquarius: asks you for all your social media and is super friendly at first
Pisces: doesn't talk a lot but seems super cute and nice; compliments you