Lust is the feeling of sexual desire; romantic attraction determines what partners mates find attractive and pursue, conserving time and energy by choosing; and attachment involves sharing a home, parental duties, mutual defense, and in humans involves feelings of safety and security.
Lust is the initial passionate sexual desire that promotes mating, and involves the increased release of chemicals such as testosterone and estrogen.
Love in its various forms acts as a major facilitator of interpersonal relationships and, owing to its central psychological importance, is one of the most common themes in the creative arts.
People can also "love" material objects, animals, or activities if they invest themselves in bonding or otherwise identifying with those things.
Unrequited love refers to those feelings of love that are not reciprocated.
Interpersonal love is most closely associated with interpersonal relationships.
Abstractly discussed love usually refers to an experience one person feels for another.
Love often involves caring for, or identifying with, a person or thing (cf.
These effects rarely last more than a few weeks or months.