What is love?

Love is a human emotion and an emotional experience. Love is a strong expression of affection for a particular person. But love can be divided from different perspectives. Emotional love is usually deep, sharing all its human feelings with someone special, even physically can not be separated from such love. Love can be different types, such as: unselfish love, religious love, for relatives love etc.
If I explain more accurately, extra affection for any person or object can be almost always pleasurable. Even for work or food.
LOVE is really a very joyful feeling.