Love

A desire to enter, maintain, or expand a close, connected, and ongoing relationship with another person or other entity. Investment in the well-being of the other for his or her own sake. See also romantic love, companionate love, and compassionate love. Contrast with lust and kama muta. See Triangular Theory of Love.

Reference:

Reis, H. T., & Aron, A. (2008). Love: What is it, why does it matter, and how does it operate?. Perspectives on Psychological Science, 3(1), 80-86. https://doi.org/10.1111/j.1745-6916.2008.00065.x

Hegi, K. E., & Bergner, R. M. (2010). What is love? An empirically-based essentialist account. Journal of Social and Personal Relationships, 27(5), 620-636. https://doi.org/10.1111/j.1745-6916.2008.00065.x