Robert Graves said this quote

Love and honor. They are the two great things, and now they’re dimmed and blighted. Today, love is just sex and sentimentality. Love is really a recognition of truth, a recognition of another person’s integrity and truth in a way that is compatible with — that makes both of you light up when you recognize the quality in the other. That’s what love is. It’s a recognition of singularity… And love is giving and giving and giving … not looking for any return. Until you do that, you can’t love.