How long will cancer have a crush on someone?

Cancer is the first constellation in summer and the darkest of the twelve constellations. Its date of birth is from June 22nd to July 22nd. Cancer is sincere and delicate, loyal and kind, tenacious and persistent, and has indomitable willpower. It takes a lot of courage for cancer to like someone. Because of this courage, it will not give up easily. One person loves another person, and this unrequited love can last for three years, and friends around him don't even find their unrequited love.