i'm a big fan of lady enfjs
But, to answer your question, I'm not one of those people in love with the concept of love. To me, it's more about the connection you have with the person and the enjoyment derived therefrom. Studies have shown that people become addicted to each other, and that's probably what they mean by love. But I think "addicted" is a better term.
I've read somewhere that love and substance addiction has a similar if not equal effect to your body from a physiological standpoint. Something about serotonin, or oxytocin, and dopamines. Of course I coulda looked that up, but I'm just trying to go off of memory here.
I think I threw up in my mouth a little...