What is the definition of friendship?

Friendship is an emotion, which comes from a two-way (or interactive) relationship, that is, the two sides unite and safeguard together. It takes intimate relationship as its core component, which usually shows concern, trust and sharing for friends. Friendship can meet the social needs of individuals, bring emotional support and sense of belonging to individuals, and enhance their happiness in life.

Friendship is a very valuable relationship between people, which can be spiritual or material. Establishing friendship means establishing a relationship of mutual trust, mutual respect, mutual understanding and mutual tolerance, which can promote people's physical and mental health, help people when they encounter difficulties and share them when they are happy. Friendship can make people happier, more secure and more belonging.

In a word, friendship is a beautiful emotion and a valuable relationship, which can make people happier, healthier and happier.