The signs when they have a crush:
Aries: Laughs too much
Taurus: Looks everywhere but at them
Gemini: *starts a debate*
Cancer: Play 'hard-to-get' and subtlety flirts
Leo: Becomes their best friend
Virgo: Asks them out
Libra: Is flirty and gives nice compliments
Scorpio: Takes pics when they're not looking
Sagittarius: *drops all the hints*
Capricorn: Waits for them to initiate a convo
Aquarius: Makes them stuff and shares their food
Pisces: Stares at them longingly from afar