Lovers and Friends

“You can have a friendship without a relationship, but you can’t have a relationship without a friendship.” — James M. Sama

I am addicted to this blog. James M. Sama has some seriously intriguing insights about dating, relationships, and happiness that grab my attention every time. He’s the pioneer of the New Chivalry Movement, where the tagline reads, “The gentleman is the new bad boy.” YES PLEASE.
I love this article for what it says about the importance of friendship in romantic relationships, but it brought up a question that the author purposely zoomed right through. (He’s saving it for another blog post, I can only hope.)
Can men and women just be friends? If so, does it matter if one party desires the other, if nothing ever comes of it? 
I would love to hear your comments on this topic.