Marriages don't break up on account of infidelity. It's just a symptom that something else is wrong.

More from When Harry Met Sally...

• (after Sally has faked an orgasm in a diner)
• And was it worth it? The sacrifice for a friend you dont even keep in touch with?
• I've been doing a lot of thinking, and the thing is, I love you.
• Repeat after me. Pepper.
• There are two kinds of women: high maintenance and low maintenance.
• When I buy a new book, I read the last page first. That way, in case I die before I finish, I know how it ends. That, my friend, is a dark side.