Aquarius is extremely independent and detached. Social interactions don't come naturally.
Capricorns are focused on ambitions and keep people at a distance. They seem indifferent.
Virgos' perfectionism and criticism make them appear cold. They keep emotions hidden.
Libras avoid intensity in relationships and come off as indifferent even if untrue.
Geminis are social but inconstant in attachments, flitting from person to person.
Taureans are stubborn and enjoy being alone. They are slow to warm up to others.
Aquarius, Capricorn, Virgo, Libra, Gemini and Taurus are the zodiac's coldest signs. But they have warmth beneath the surface.