When Is Cheating A Good Idea?: Theme From RED

"Just remember that secrets are the foundation of a long relationship."-Alex Kinsley (RED)
Possibly the last theme I want to talk about from RED is the factor of cheating. Now, this theme doesn't tie into the others, it's more of a standalone but it's a MAJOR theme in the novel. There's cheating in every possible form all over the place from beginning to end (basically). Everyone has secrets and unacknowledged feelings that they have to deal with; just like real life it begins to affect their...