Love is a complex neuropsychological and physiological phenomenon. On a physiological level, people who fall in love experience an increase in heart rate, sweaty palms, heavy breathing and so on. Also, there are complex neuropsychological processes such as reward and pleasure activities, trust, attachment, which are known as limbic processes. From the evolutionary standpoint, all the above processes are beneficial for the survival, reproduction and motivational purposes. However, with an evolved human society, the experience of love can be examined by the chemical process which is a predominant factor that influences the three core brain systems: lust, attraction, and attachment. I am inviting you to take a closer look here
