1, the nature of different: confidant is more intimate female friends, but also unadulterated emotions of men and women of the most pure friendship, selfless for their own. Blue confidant that is usually referred to as the fourth category of emotions, is a useful complement to love and friendship, is a new way of expression of interpersonal emotions.

2, the meaning of different: confidant is a man's life is the most valuable, the most rare, but also the most coveted existence. Blue confidant because of the special nature of men and women, known as a kind of departure from the family, love, friendship outside of the fourth category of feelings.

3, different gender: confidant refers to women, blue confidant refers to men.