It varies from person to person. I mean, it varies for me how love feels from person to person whom I love. For some, it's like a kind of admiration plus excitement/fun just observing their existence/expression. For some, it's like their essence/core of their personality has a place very deep in your heart, which will be there for a long, long time. And your love for them is like the culmination of all the moments of fun and sorrow you've ever had with or about them. You would do hardly imaginable things for them if it were to become necessary. For some, it's like you can see their fundamental, soul goodness—the endless effort and sacrifices they would make and have made for others, including yourself, and the feeling is a combination of unlimited adoration and sorrow, sorrow for the fact that they have to live such a dreary life on this planet, and for the precariousness of their existence that everyone shares. For some, it's like you just recognize them, like you've known them forever, before this life, and you like what you see. You can just tell you're so compatible (I don't necessarily mean romantically). They're a great mirror to reflect yourself off of and you to them. For some, they remind you (not with inspirational messages, rather just by being them) of certain important aspects of reality/life. And there are probably many more ways to love, depending not only on the beloved but on the lover. All I have to draw on is myself and the limited number of people I happen to love.