How to judge what constellation he is?

Aries: Passionate, positive, competitive, direct and confident.

Taurus is practical, aesthetic, materialistic, safe and exclusive.

Gemini: Smart, fickle, intellectual, quick-thinking and humorous.

Cancer: gentle, clingy, emotional and compassionate.

Leo: Active, noble, intelligent, caring and self-respecting.

Virgo: Passionate, analytical, pragmatic, considerate and reserved.

Libra: Easy to get along with, elegant, fair and indecisive.

Scorpio: Deep, mysterious, keen, intense and sexy.

Sagittarius: magnanimous, energetic, optimistic and big.

Capricorn: Practical, diligent, self-interested and independent.

Aquarius: Freedom, creativity, rationality, fraternity and rebellion.

Pisces: Intuition, kindness, sensibility and self-sacrifice.