The best definition of love may be to treat an individual (whether it is a person, a thing or a god) actively and sincerely, so as to make the whole happy. In short, love is the initiative to make the whole happy. Love is innate, so it can be considered as a feature of human nature. In other words, love is one of the essences that people must possess. Love can include love for soul or soul, love for law and organization, love for oneself, love for food, love for money, love for learning, love for power, love for reputation, love for others, and so on. Different people pay different attention to the love they get. Love is essentially an abstract concept, which can be experienced but hard to say.