Cancer is a water sign and feels everything, from joy to despair, very deeply indeed.
These emotional depths are ruled by the Moon, which is what gives Cancer people their notoriously moody demeanour.
Insightful and intuitive, he makes a caring friend and a nurturing lover.
Transformations such as these are not indicative of a split personality like Gemini, but a changeable one.
The Cancer man is capable of many emotions, often one after the other, running the gamut from one end to the next.
But if either partner has any doubts, this is a complicated and difficult relationship.
There is an underlying romantic outlook on life that is shared between Libra and Cancer.