Cancer is one of the most loyal signs, due to their Moon ruler, which lights up the night sky. Ok, THE most loyal sign!
Though you won't hesitate to turn your back on someone who's angry or cruel for no reason, particularly toward someone you love, a person has to go pretty far before you're willing to cut them off for good.
Your loyalty can also shine through on the job, where you prefer to stay with a company or organization you can trust. This comfort level is imperative for you, since you can't give your loyalty to something or someone otherwise.