Here is another perspective on love. Love is radically non-selfish. This means that you will love, even when you are not loved. This means you will love, irrespective how you feel or how that person treats you. This means that love is unconditional. It is purely outward focused and not self-centered. An example of this is the ability to love a stranger. This might sounds crazy, but don't we immediately love our babies, whom we do not know. I think that is radically selfless. Or to switch things around, consider the love of a child. They don't know anything and even if we are not kind, they still love. There is something beautiful about the love of children. When there are too many reasons for love, I think it adulterates things too much. Too much of our likes, desire and preferences enter into the picture.
If the question is pertaining to the "L" word as "Love," I think you should be prepared for a great deal of divergence in the answers you seek. I think there are very few concepts that can evoke such an array of emotions as the "L" word. One cannot speak in a totalizing way about it. Rather, there is only a faint hope of being able to articulate figments and fragments of it. Indeed, there is much in the word that has caused pain and suffering. It is no surprise that so much of literature and art has been devoted to the exploration of the topic. At the same time, there is a redemptive quality within love which allows for the potential to experience the greatest of joy, reason again so much of literature and art has been devoted to the exploration of this aspect of the topic.
When you asked that question, my thoughts immediately went to the word "love" and though there were times where I cursed in the name of love, I still do genuinely 'like' love, because love can take many forms. For example, I love puppies, I love food, I love my mom &dad, and then I love him/her. I think it's great though, the concept of it because it's nice, sweet, pure, and genuine. At least, I like to think so.