Don’t publicly discuss the latest “Game of Thrones” episode until this day of the week

Not everybody can watch Game of Thrones on the Sunday it airs—and that makes the office a dangerous place on Monday.

New data on Game of Thrones watchers across the world suggests that less than 40% of viewers watch the show on the Sunday it airs, according to NachoAnalytics.

But by Wednesday, more than 70% of people who are going to watch by the end of the week have seen the show, meaning you won’t be spoiling anything for about three-quarters of your office.

On the other end of spectrum, if you are in the 2.4% of Game of Thrones fans who watch the previous episode the Saturday before the new episode airs—what are you doing?