The late Carrie Fisher spilled about her intense marriage to musician Paul Simon in "Wishful Drinking" with this sentiment, one of many good relationship quotes in her autobiographical book.

"Paul and I had the secret handshake of shared sensibility." --Carrie Fisher

Cute couple Kevin Bacon and Kyra Sedgwick are famously still hot for each other.

"Keep the fights clean and the sex dirty." --Kevin Bacon

Sylvia Plath's private journal entries about her husband, Ted Hughes, are characteristically thoughtful and make for reflective, good relationship quotes.

"What is only pieces, doled out here and there to this boy and that boy, that made me like pieces of them, is all jammed together in my husband." --Sylvia Plath

The movie "Rocky" has some seriously cute relationship quotes.

"She's got gaps. I got gaps. Together, we fill gaps." --Sylvester Stallone

We love David Sedaris' sharp and funny observations on family and relationships.

"Real love amounts to withholding the truth, even when you're offered the perfect opportunity to hurt someone's feelings." --David Sedaris