It is hard to comprehent the feeling of love for common people, even harder for a psychopath. If we only consider the Biological part of love, then the answer might be: Love is a Biochemical reaction in the brain, not unlike vomiting, Love is your brain, filtering through masses of people and searching for the best kandidate to procreate after finding a suture, the brain binds you chemically to that person by releasing endorphins everytime you; See, hear and smell say'd person. With that, the body tries to make you addicted to being near or interacting with that person, which is the fundament to keep you interested in courting the loveinterest. I don't want to get into the psychological aspect of Love, because it is not my place of expertise and my nowlege is at best rudimentary regarding