I think there are 2 ways you can look at it.
Realistic
It may be a sad and cynical way of looking at things but it really is just brain chemicals whose very purpose is to get you to fuck the best mate you can gain and produce the strongest off-spring. I'm not fond of this way of thinking even if I know it's true, it's breaking something wonderful into it's component parts.
Spiritual
In this sense love can be whatever you want it to be. Spiritual fulfillment, a meaning to your life, a sense of being unified, comfort, affection, strength, support, all of the above and more. What's amazing is all of this can come from the simplest little thing, a knowing look, a holding of their hand, hearing your childs heartbeat, these small things are so integral to our very existence that we persue them at a cost to everything else. Love has such an incredible power to change us, motivate us, make us sacrifice and devote our entire lives to it's pursuit that it's no wonder people regard it as everything.
This is the position I want to believe in, I'm a realist in everything else but love is something I need to have faith in. If you can't believe in your own feelings, I don't think you can believe in anything.
Now as someone who has, in the last month, found my perfect woman and just fell completely off my perch in love with her, I ask, does it really fucking matter about the definition? It is what it is, just enjoy it instead of trying to box it up until this clearly defined package. True love can't be constrained, defined, set aside, given rules, it is beyond restraint, sense or self-preservaton. It is the most wonderful madness
