Aries will find Cancer's emotional attitude to circumstances irritating, whilst Cancer will feel insulted or irritated by Aries' directness.
While they may respect each other's strong personalities at first, both of these signs are firm in their beliefs and unlikely to yield to the will of the other.
Even the most adaptable Virgo will rapidly tire of Gemini's continual desire to change their minds a dozen times before making a final decision.
In the end, Sagittarius are too afraid of being vulnerable to provide Cancer with the emotional connection required for a sustainable friendship.
Any partnership between these signs will leave Leo frustrated by Pisces' persistent neediness, while Pisces will not feel emotionally supported.
Virgo may love Aquarius' rebellious personality at first, but they will quickly become frustrated with their unique methods of getting things done.
Scorpio tends to perceive Libra as someone who uses deception to advance in life, whereas Libra believes Scorpio could afford to lighten up.
Leo is intensely competitive in many spheres, which can make it difficult for a more subdued sign such as Scorpio to get their way.
Sagittarius is typically too impulsive and forthright for Taurus, a sign that is more methodical and realistic. In short, they cannot find common ground.
Capricorn is highly picky about who is in their inner circle, whereas Libra enjoys forming lighthearted relationships and making many acquaintances.
Capricorn may enjoy this unusual thinking at first, but will shortly get tired of Aquarius' continual need to confront authority.
While Pisces are typically emotionally adaptable, they find Gemini's indecision unsuitable for a lasting friendship.