Massless

What say you? To piquant humor. Cocktails. Shared admiration of work or art. It's all just peer-to-peer social technology.

or

Getting A Seat At The Algonquin Round Table Just Means You'll Fall In Love With Dorothy Parker.

or, said much, much better

Those two people aren't "just" friends.
(scroll down to Dec 4th to the entry that starts "I have never seen When Harry Met Sally..." - permalink is broken, temporarily I'm sure)