What is love?

Biologically, love is a powerful neurological condition like hunger or thirst, only more permanent. We talk about love being blind or unconditional, in the sense that we have no control over it. But then, that is not so surprising since love is basically chemistry. While lust is a temporary passionate love desire involving the increased release of chemicals such as testosterone and oestrogen, in true love, or attachment and bonding, the brain can release a whole set of chemicals: pheromones, dopamine, norepinephrine, serotonin, oxytocin and vasopressin. However, from an evolutionary perspective, love can be viewed as a survival tool – a mechanism we have evolved to promote long-term relationships, mutual defence and parental support of children and to promote feelings of safety and security.

• Jim Al-Khalili is a theoretical physicist and science writer

note:

being in a loving relationship is usually a continual giving and receiving of love, such that their is a feeling of it going back and forth. One can question whether one partner or the other is giving, one can ask if more can be expected. Maybe I can do more for my partner? Perhaps it is not always necessary to do it, but it must be comfortable to ask and to answer the question. I have been the recipient of gifts which I am not able to match in certain ways, such as an extremely expensive gift of a technical sort which was not fully appreciated by me. One just has to keep being involved, keeping up communications. Thank you for reading this.

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