Elena Navarro and Declan Forrester have been friends for seven years-ever since an argument over six inches of lobby space at the historic movie theater Elena runs and Declan helped restore. Which is exactly why sleeping together is such a terrible idea. They know each other too well. They like their friendship too much. And neither of them is looking to blow up a perfectly good relationship over one very good kiss in an empty movie theater. Fortunately, they're adults. Adults can make rules. Keep it casual. Protect the friendship. Don't make assumptions. Don't get weird. Eight rules should be more than enough to keep two sensible people from doing something catastrophically stupid. Except the rules keep changing. Declan starts staying over. Elena gets used to finding him in her kitchen. Their carefully contained arrangement begins spilling into Wednesday nights, ordinary mornings, family dinners, and all the quiet corners of a life they were apparently already sharing. The sex was supposed to be the dangerous part. Turns out, it's everything else. We Should Probably Stop Doing This is a warm, witty, high-heat contemporary friends-to-lovers romance about two longtime friends discovering that the line between casual and forever is considerably harder to find once you've crossed it.