所有关系，都是一场公平交易

Group 1 - The core idea of the article is that all human relationships are fundamentally transactions, where mutual exchange is essential for long-lasting connections [3][6][63] - Relationships characterized by unequal giving and receiving lead to disillusionment and eventual separation [16][17][50] - The concept of "value exchange" is introduced, emphasizing that a stable relationship requires a balanced value system where both parties contribute equally [30][32][50] Group 2 - The article illustrates the importance of mutual support through the story of two friends, where their enduring friendship is based on reciprocal care during difficult times [24][26][60] - It highlights the idea of "energy matching," where relationships thrive when both parties provide emotional and practical support to each other [54][61] - The notion that adult relationships are maintained through exchanges, where both parties must offer something of value to sustain the connection, is reinforced [65][66]